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January 30, 2015

January 30, 2015

Posted by **Alex** on Thursday, March 21, 2013 at 4:57pm.

- math -
**Knights**, Thursday, March 21, 2013 at 5:01pmconvert to common denominator

least commmon multiple of 5 and 25 is 25

so we want the fraction 3/5 to convert into the form x/25

so, 3/5 = x/25

we can cross multiply to get 5x = 25*3

x = 5*3

x= 15

So the fraction would be 15/25

Optional: adding 15/25 to 21/25 = 36/25 or 1 11/25

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