Posted by bailey on Monday, December 10, 2007 at 3:05pm.
how do you do lcm i know i did it in like 1st grade but i need helpp!!

math!  Ms. Sue, Monday, December 10, 2007 at 3:07pm
Check this site.
http://www.helpwithfractions.com/leastcommonmultiple.html
If you do one of your own problems, we'll be glad to check it for you.

math!  Zahra, Wednesday, September 24, 2008 at 1:51pm
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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