Subtract 18/56 from 7/27
7/27 - 18/56 is -47/756.
Steps for subtracting fractions
- 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,
7/27 = 7 × 56/27 × 56 = 392/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
18/56 = 18 × 27/56 × 27 = 486/1512 - Subtract the two like fractions:
392/1512 - 486/1512 = 392 - 486/1512 = -94/1512 - After reducing the fraction, the answer is -47/756
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