Homework Help: math

Posted by mykala on Wednesday, March 4, 2009 at 7:40pm.

adam wants to compare the fractions 2/5, 1/6 and 1/3. he wants to order them from least to greatest and rewrite them so they all have the same denominator. explain how adam can rewrite the fractions.

math - Damon, Wednesday, March 4, 2009 at 7:46pm
least common multiple of
5
2*3
3
is
5*2*3 = 30
so use
2/5 = 12/30 (top and bottom by 6)
1/6 = 5/30 (top and bottom by 5)
1/3 = 10/30 (top and bottom by 10)
now put them in order :)
math - mykala, Wednesday, March 4, 2009 at 8:18pm
damon, how did you come up with the number 5 as least common multiple 1/6,1/3,2/5
math - Damon, Thursday, March 5, 2009 at 1:33pm
30, it says 30 is least common multiple of 5, 6 which is 2*3 and 3

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