Subtract 7/15 from 63/27, Solve 2 9/27

Subtract 7/15 from 63/27

1^st number: 2 9/27, 2^nd number: 7/15

63/27 - 7/15 is 28/15.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 27 × 5 = 135,
63/27 = 63 × 5/27 × 5 = 315/135
Likewise, for the 2nd fraction, since 15 × 9 = 135,
7/15 = 7 × 9/15 × 9 = 63/135
Subtract the two like fractions:
315/135 - 63/135 = 315 - 63/135 = 252/135
After reducing the fraction, the answer is 28/15
In mixed form: 113/15

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