Subtract 56/49 from 15/36, Solve 15/36

Subtract 56/49 from 15/36

1^st number: 15/36, 2^nd number: 1 7/49

15/36 - 56/49 is -61/84.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 49 is 1764

Next, find the equivalent fraction of both fractional numbers with denominator 1764
For the 1st fraction, since 36 × 49 = 1764,
15/36 = 15 × 49/36 × 49 = 735/1764
Likewise, for the 2nd fraction, since 49 × 36 = 1764,
56/49 = 56 × 36/49 × 36 = 2016/1764
Subtract the two like fractions:
735/1764 - 2016/1764 = 735 - 2016/1764 = -1281/1764
After reducing the fraction, the answer is -61/84

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