1/4 = 4/16
13/16 - 4/16 = ?
Well. First you have to find the common denominator of 16 and 4, which would be sixteen, because both 16 and 4 decide by it. So the problem would become 13/16-4/16 because 1/4 equals 4/16. The answer would be 9/16.
you need to change 4 into 16. 4*4 is 16
so now it is 13/16-4/16
so it is 9/16
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