Corbett Maths
Fractions: Addition and Subtraction
Let the video take away any issues with adding and subtracting fractions. Scholars review how to add and subtract fractions by rewriting the fractions using a common denominator. They also see how adding and subtracting mixed numbers...
Khan Academy
Adding and Subtracting Fractions
This video shows how to add, subtract, and simplify fractions using a pie graph and an infinite blackboard. Once he has established the rule, Sal throws the viewer a curve ball with a fraction subtraction problem that results in a...
Math Antics
Adding and Subtracting Fractions
Why can't mathematicians add just like they multiply fractions? The resource provides a counterexample to show that the same rules for multiplying fractions do not work for addition. Using the counterexample, learners see the proper way...
Krista King Math
Addition and Subtraction of Rational Expressions
A rational expression is a fraction where the denominator and/or the numerator is a polynomial. The resource presents rational expressions and how to add and subtract them. Additionally, the video connects the addition and subtraction of...
Curated OER
How Do You Subtract Two Rational Expressions with Different Denominators?
Reinforce instruction on the least common denominator and subtracting rational expressions with this tutorial video. Learners can view this video in class or at home. Consider using this resource to supplement your lesson plan.
Khan Academy
How to Add Fractions that have Different Denominators, Fractions, Pre-Algebra
Your young mathematicians can solve this problem along with Sal. They will add 4/9 and 11/12 by finding a number that evenly divides both 9 and 12. Sal fully explains the process of finding a common denominator in an evident and...
Khan Academy
Adding Fractions with Different Signs, Fractions, Pre-Algebra
Bring interest to your lesson on adding fractions with different signs by using this Khan Academy video. Sal employs a number line to explain how he adds multiple fractions with different signs. This resource could be used as an...
Khan Academy
Adding Fractions with Like Denominators, Fractions, Pre-Algebra
Show your students this presentation to help them understand how to add fractions with like denominators. Sal adds 3/15 to 7/15 and then simplifies his answer. He uses drawings and multiple colors to show the actual process.
Curated OER
How Do You Add Fractions with Different Denominators?
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...
Curated OER
How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?
Work through adding mixed fractions by first converting each fraction to an improper fraction. This video details each necessary step, including how to reduce and convert your improper fraction back into a mixed fraction after you have...
Northeast Arkansas Education Cooperative
Simplify Algebraic Fractions by Factoring
A brief presentation with laser-like focus, this video talks young mathematicians through the mechanics of simplifying algebraic fractions by factoring trinomials. While the factoring itself is assumed to be a mastered skill, the...
Northeast Arkansas Education Cooperative
Simplify Algebraic Fractions by Factoring 2
Take your class through the mechanics of simplifying algebraic fractions by factoring trinomials. Though the steps for factoring are assumed known, the process of identifying and canceling common factors are detailed with...
Curated OER
Adding Rational and Subtracting Expressions Example 3
Finishing up his short series on rational expressions, Sal reviews the concept with another example. Those who have a hard time with rational expressions will appreciate the clarity with which Sal explains his process and methodology.
Curated OER
How Do You Add Fractions with Different Denominators?
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...
Curated OER
How Do You Add Two Rational Expressions with the Same Denominator?
You have two algebraic fractions to add together so what do you do now? You say yippee because they have a common denominator. This means that all you have to do is combine the like terms in the numerators. This would be a good segment...
Curated OER
How Do You Subtract Two Rational Expressions with the Same Denominator?
Rational expressions that are in the form of fractions. Yuk! The teacher demonstrates how to subtract one rational expression from the other when the expressions have a common denominator. Combine like terms and write it in simplest form.
Curated OER
How Do You Subtract Fractions with the Same Denominator?
Having a common denominator is the best thing to have when subtracting fractions. If you have a common denominator then all you have to do is subtract the numbers in the numerator.
Curated OER
How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?
Work through adding mixed fractions by first converting each fraction to an improper fraction. This video details each necessary step, including how to reduce and convert your improper fraction back into a mixed fraction after you have...
Curated OER
How Do You Add Fractions with the Same Denominator?
Want to add fractions? Well, if they have the same denominator it's going to be so easy. Just add the numerator values together and keep the denominator the same. Easy as that.
Curated OER
How Do You Subtract Fractions with Variables?
Combining terms that have fraction coefficients means you have to use your prior knowledge of adding and subtracting fractions. Find the least common denominator so you can combine the fractions. Finally put it all back together.
Math Antics
Working with Parts
Get a clearer picture of working with fractions. While continuing to work with fractions as parts, the video shows how to use drawing to compare and add fractions. Worksheets then provide opportunities for pupils to practice comparing,...
Curated OER
How Do You Add Mixed Fractions with the Same Denominator?
Mixed fractions? Oh, everyone's favorite! Not really. But these two have a common denominator so you can add the whole numbers together and then you can add the fraction parts together. Don't forget to simplify.
Curated OER
How Do You Add Mixed Fractions with the Same Denominator?
Mixed fractions? Oh, everyone's favorite! Not really. But these two have a common denominator so you can add the whole numbers together and then you can add the fraction parts together. Don't forget to simplify.
Curated OER
How Do You Solve an Equation With Fractions With Different Denominators Using Addition?
Find the value of a variable in an equation that has fractions with unlike denominators. Use the addition property of equality first to isolate the variable. Then find the LCD and do the math to make the denominators the same. Now they...