Subtract 27/30 from 7/56
7/56 - 27/30 is -31/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
7/56 = 7 × 15/56 × 15 = 105/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
27/30 = 27 × 28/30 × 28 = 756/840 - Subtract the two like fractions:
105/840 - 756/840 = 105 - 756/840 = -651/840 - After reducing the fraction, the answer is -31/40
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