Art of Problem Solving: Lcm Times Gcd

Cover the least common multiple with this tutorial. A decent video that shows the steps necessary for finding the least common multiple among 3 numbers, this resource could prove useful in or out of class. You might give this to learners...

Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory activity. Instructions for this activity include an explanation of both guess and check as well as prime...

Video tutorial uses everyday examples to reinforce understanding of Least Common Multiple. [6:56]

Video tutorial uses examples to illustrate easy ways of finding the least common multiple. [7:18]

Don't get Least Common Multiple mixed up with Greatest Common Factor, it's easy to do. Use the prime factor tree to find the prime factorization of each of the terms given. This is where it gets tricky figuring out the LCM, so watch this...

Looking for the least common multiple, not the greatest common factor. It's so easy to mix these up. It may seem a little confusing at first because there are variables and exponents in the monomial examples. Watch this video and get...

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...

Learn about the greatest common divisor, the least common multiple, and the Euclidean Algorithm. This resource gives a description of each of these concepts, accompanied by several examples.

This video explains how to find the least common multiple of algebraic expressions. Practice problems are available. [4:40]

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...