Brian McLogan
Simplify an expression with four terms by factoring grouping
Learn how to factor expressions of two variables by grouping. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. When a given expression can be grouped...
Brian McLogan
How to find the least common multiple of two trinomials
👉 Learn how to factor polynomials by GCF. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor an algebraic expression means to break it...
Brian McLogan
Learn to solve a rational equation by multiplying by the LCD
👉 Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational equations, one of...
Let's Tute
How to Find The Least Common Multiple (LCM) - Using Prime Fact
In this video we will learn How To Find The Least Common Multiple (LCM) Using Prime Factorization.
NUMBEROCK
Adding and Subtracting Fractions
In a future time, when AI robots have taken over running pizzerias on a planet orbiting Alpha Centauri, the robot Zigon takes orders and then adds and subtracts fractions before the Pizzamatic-5000 serves up large pepperoni and cheese...
Professor Dave Explains
Least Common Multiple (LCM)
Finding the least common multiple of a set of numbers.
Corbett Maths
LCM and Common Multiples
It's common to learn about least common multiples. Viewers of a short video discover how to determine the least common multiple of two whole numbers. They see that they need to write out the multiples of each number and then find the...
Corbett Maths
LCM and HCF using Product of Primes
All that work put into prime factorizations won't go to waste. An illuminating video describes how to determine the least common multiple and greatest common factor of two numbers using the prime factorizations. Learners see how to use a...
Math Antics
Common Denominator LCD
Do not use the easiest but the first. The video shows a method to find a common denominator by finding the least common denominator to add fractions. By listing the multiples of the denominators, learners easily identify the least common...
Krista King Math
Fractional Equations
Teach the least common multiple approach to converting fractions to integers within an equation with a video tutorial that explains how to find the LCM of the denominators in the equation. The instructor then uses the LCM and the...
Krista King Math
Adding and Subtracting Fractions
Develop a strategy for adding and subtracting fractions with your classes. The video shows a procedure for adding and subtracting fractions by finding common denominators. Each example increases in difficulty.
Krista King Math
Least Common Multiple
Prepare your classes for future work by reinforcing multiples and finding least common multiples. Learners see how to identify the least common multiple of a set of numbers. The instructor shows examples including a set of two and a set...
Curated OER
How Do You Subtract Fractions with Different Denominators?
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...
Curated OER
How Do You Add Mixed Fractions with Different Denominators by Converting to Improper Fractions?
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...
Curated OER
How Do You Put Fractions in Order Using an LCD?
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...
Curated OER
How Do You Find the Least Common Multiple by Listing Common Multiples?
Cover the least common multiple with this tutorial. A decent video that shows the steps necessary for finding the least common multiple among three numbers, this resource could prove useful in or out of class. You might give this to...
Curated OER
What is a Common Multiple and Least Common Multiple?
A common multiple is exactly what it says it is: a multiple that two or more numbers have in common. So then a least common multiple would be the smallest common multiple that two or more numbers have in common. Watch this video to see...
Curated OER
How Do You Simplify a Mixed Expression Over a Mixed Expression?
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....
Curated OER
How Do You Solve a Word Problem with a Rational Equation?
Translate a word problem into a rational equation. This word problem might cause some to pause and ponder, and some to just give up and skip the problem altogether. It does involve some fractions, so watch this video and get a better...
Curated OER
How Do You Find the Least Common Denominator of Two Rational Expressions?
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...
Curated OER
How Do You Add Two Rational Expressions with Different Denominators?
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...
Curated OER
How Do You Subtract a Whole Number from a Fraction?
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...
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 to Find the LCM and GCF
Two students have a conversation about the least common multiple (LCM) and greatest common factor (GCF). They briefly describe and give examples of how to find both the LCM and GCF. Note: The dialogue may be difficult to understand,...