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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