Subtract 81/56 from 56/49
1st number: 1 7/49, 2nd number: 1 25/56
56/49 - 81/56 is -17/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
56/49 = 56 × 8/49 × 8 = 448/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
81/56 = 81 × 7/56 × 7 = 567/392 - Subtract the two like fractions:
448/392 - 567/392 = 448 - 567/392 = -119/392 - After reducing the fraction, the answer is -17/56
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