Subtract 7/56 from 15/27, Solve 15/27

Subtract 7/56 from 15/27

15/27 - 7/56 is 31/72.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 56 is 1512

Next, find the equivalent fraction of both fractional numbers with denominator 1512
For the 1st fraction, since 27 × 56 = 1512,
15/27 = 15 × 56/27 × 56 = 840/1512
Likewise, for the 2nd fraction, since 56 × 27 = 1512,
7/56 = 7 × 27/56 × 27 = 189/1512
Subtract the two like fractions:
840/1512 - 189/1512 = 840 - 189/1512 = 651/1512
After reducing the fraction, the answer is 31/72

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