Subtract 56/98 from 15/36, Solve 15/36

Subtract 56/98 from 15/36

15/36 - 56/98 is -13/84.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 98 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 98 × 18 = 1764,
56/98 = 56 × 18/98 × 18 = 1008/1764
Subtract the two like fractions:
735/1764 - 1008/1764 = 735 - 1008/1764 = -273/1764
After reducing the fraction, the answer is -13/84

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