Subtract 15/27 from 7/56
7/56 - 15/27 is -31/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 27 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
7/56 = 7 × 27/56 × 27 = 189/1512 - Likewise, for the 2nd fraction, since 27 × 56 = 1512,
15/27 = 15 × 56/27 × 56 = 840/1512 - Subtract the two like fractions:
189/1512 - 840/1512 = 189 - 840/1512 = -651/1512 - After reducing the fraction, the answer is -31/72
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