Question

How do you use least common multiple?

Answer 1

Please follow the processes as given below.

Explanation:

Follow the link

http://socratic.org/questions/what-is-least-common-multiple-of-3-4-6-and-8#247091

or

http://socratic.org/questions/what-is-the-lcm-of-10-15-20-and-30#246668

For fractions follow the process at

http://socratic.org/questions/what-is-the-lcd-of-3-5-and-1-3#247087