Subtract 81/5 from 7/56
1st number: 7/56, 2nd number: 16 1/5
7/56 - 81/5 is -643/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
7/56 = 7 × 5/56 × 5 = 35/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
81/5 = 81 × 56/5 × 56 = 4536/280 - Subtract the two like fractions:
35/280 - 4536/280 = 35 - 4536/280 = -4501/280 - After reducing the fraction, the answer is -643/40
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