Subtract 81/56 from 42/96
1st number: 42/96, 2nd number: 1 25/56
42/96 - 81/56 is -113/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 56 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 96 × 7 = 672,
42/96 = 42 × 7/96 × 7 = 294/672 - Likewise, for the 2nd fraction, since 56 × 12 = 672,
81/56 = 81 × 12/56 × 12 = 972/672 - Subtract the two like fractions:
294/672 - 972/672 = 294 - 972/672 = -678/672 - After reducing the fraction, the answer is -113/112
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