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53 resources with the keyterm least common denominator

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Other Resource Types ( 53 )
Lesson Planet

Fraction XII: Subtracting Unlike Denominators

For Teachers 4th - 5th
This fractions PowerPoint defines and gives examples of multiples and least common multiple, then models how to list multiples and circle the least common multiple. Each step to use in subtracting fractions with unlike denominators is...
3:27
Lesson Planet

How Do You Subtract Fractions with Different Denominators?

For Teachers 4th - 7th
Combining fractions with unlike denominators. Wait! You can't do that! You have to have common denominators to combine the numerator of fractions. Here's a quick review of changing the denominator by multiplying each fraction by that...
6:16
Lesson Planet

How Do You Add Mixed Fractions with Different Denominators by Converting to Improper Fractions?

For Teachers 3rd - 8th
The first step in adding mixed numbers is to change them into improper fractions. Secondly, make sure the denominators are the same. If they are not the same, then find a common denominator. Make the proper conversions to the numerator...
8:52
Lesson Planet

How Do You Put Fractions in Order Using an LCD?

For Teachers 4th - 8th
Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...
5:32
Lesson Planet

How Do You Simplify a Mixed Expression Over a Mixed Expression?

For Teachers 8th - 11th
You will need to pay close attention while watching this video. There are many steps and many operations to do to simplify this algebraic fraction. If it seems hard the first time you watch it and you miss something, then watch it again....
2:06
Lesson Planet

How Do You Find the Least Common Denominator of Two Rational Expressions?

For Teachers 8th - 11th
Adding fractions that are in rational expression form? Do they have a common denominator? No? Well, then the least common denominator needs to be found. How is the least common denominator of rational expression found? Watch this video...
3:32
Lesson Planet

How Do You Add Two Rational Expressions with Different Denominators?

For Teachers 8th - 11th
Teach your class how to add two algebraic fractions with different denominators. The instructor in the video describes how to find the common denominator and demonstrates how to simplify the expression. A straightforward video, this...
1:51
Lesson Planet

How Do You Subtract a Whole Number from a Fraction?

For Teachers 5th - 7th
Follow along as the instructor demonstrates how to subtract a whole number from a fraction. First, she changes the whole number to a fraction. Then she finds the least common denominator of the two fractions. Finally, she does the...
1:57
Lesson Planet

How Do You Add Fractions with Different Denominators?

For Teachers 3rd - 5th
You've got three fractions to add together. Wait! They have unlike denominators. So the first thing you have to do is find the least common denominator. Now multiply the terms so they all have the same denominator. Don't forget to...
4:15
Lesson Planet

How Do You Add Two Rational Expressions with Different Denominators?

For Teachers 6th - 12th
Teach your class how to add two algebraic fractions with different denominators. The instructor in the video describes how to find the common denominator and demonstrates how to simplify the expression. A straightforward video, this...
10:17
Lesson Planet

How Do You Solve a Rational Equation by LCD Multiplication?

For Teachers 6th - 12th
Use the least common denominator to solve rational equations with variables in the denominators of algebraic fractions. Learners can watch this video to find out how to do just this! An instructor solves 2 problems by finding the least...
10:35
Lesson Planet

How Do You Solve a Rational Equation by Adding Fractions?

For Teachers 6th - 12th
A comprehensive video, this resource explains how to solve an equation when you have a variable in the denominator. The lecturer works through 2 different problems that represent 2 situations. From this video, pupils can gain knowledge...
9:28
Lesson Planet

How Do You Put Fractions in Order Using an LCD?

For Teachers 6th - 12th
Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...
7:59
Lesson Planet

How Do You Solve an Equation With Fractions With Different Denominators Using Subtraction?

For Teachers 6th - 12th
A detailed video tutorial on how to solve an equation with fractions with different denominators, this resource could prove to be a valuable tool. This video covers how to deal with fractions as well as how to solve an algebraic equation...
2:33
Lesson Planet

How Do You Add Fractions with Different Denominators?

For Teachers 6th - 12th
You've got three fractions to add together. Wait! They have unlike denominators. So the first thing you have to do is find the least common denominator. Now multiply the terms so they all have the same denominator. Don't forget to...
4:49
Lesson Planet

How Do You Solve an Equation with Variables on Both Sides and Fractions?

For Teachers 6th - 12th
Fractions and variables on both sides of the equation? Oh my! There are one hundred and one steps to solving this equation. Not really, but now that I have your attention, I recommend you watch this video closely and follow the...
6:07
Lesson Planet

How Do You Simplify a Mixed Expression Over a Mixed Expression?

For Teachers 6th - 12th
You will need to pay close attention while watching this video. There are many steps and many operations to do to simplify this algebraic fraction. And if it seems hard the first time you watch it and you miss something, then watch it...
3:39
Lesson Planet

How Do You Subtract Fractions with Variables?

For Teachers 6th - 12th
Combine fractions that have unlike denominators and a variable. As usual the variable needs to get isolated. Then find the least common denominator so you can combine the fractions. Finally put it all back together.
3:21
Lesson Planet

How Do You Solve a Two-Step Equation by Distributing a Fraction First?

For Teachers 6th - 12th
Are you stumped by having a fraction in front of the parentheses in an equation you are trying to solve? Never fear. Watch as the instructor shows you how to work your way through this equation starting with the distributive property and...
3:55
Lesson Planet

How Do You Add Fractions with Variables?

For Teachers 6th - 12th
Combine fractions that have unlike denominators and a variable. As usual the variable needs to get isolated. Then find the least common denominator so you can combine the fractions. Finally put it all back together.
4:01
Lesson Planet

How Do You Find a Rational Number Between Two Fractions?

For Teachers 6th - 12th
So do you really want to know how to find a rational number between two given fractions? The teacher explains how to average the two fractions to find a rational number between the two fractions. There are several steps involved in...
2:33
Lesson Planet

How Do You Subtract a Whole Number from a Fraction?

For Teachers 6th - 12th
Follow along as the instructor demonstrates how to subtract a whole number from a fraction. First, she changes the whole number to a fraction. Then she finds the least common denominator of the two fractions. Finally, she does the...
Lesson Planet

Least Common Multiple or Least Common Denominator

For Students 5th - 6th
Fifth and sixth graders solve 12 math problems by finding the least common multiple or least common denominator. They type the answer into the text box.
Lesson Planet

Student Exploration: Adding Fractions

For Students 3rd - 5th
Elementary schoolers investigate concepts associated with adding fractions. They access Gizmo, an online application, in order to practice adding fractions. Pupils solve problems and complete short answer questions using the application,...