Subtract 81/32 from 56/21
1st number: 2 14/21, 2nd number: 2 17/32
56/21 - 81/32 is 13/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
56/21 = 56 × 32/21 × 32 = 1792/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
81/32 = 81 × 21/32 × 21 = 1701/672 - Subtract the two like fractions:
1792/672 - 1701/672 = 1792 - 1701/672 = 91/672 - After reducing the fraction, the answer is 13/96
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