Asked by bailey

how do you do lcm i know i did it in like 1st grade but i need helpp!!
Answered by Ms. Sue
Check this site.

http://www.helpwithfractions.com/least-common-multiple.html

If you do one of your own problems, we'll be glad to check it for you.
Answered by Zahra
To find LCM you must list some of the multiples of the numbers and then find the ones that match which are the same.
eg: Find the LCM of 3 and 5
multiples of 3:3,6,9,12,15
multiples of 5:5,10,15,20,25
So,as you can see the LCM would be 15
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