Subtract 18/7 from 81/96
1st number: 81/96, 2nd number: 2 4/7
81/96 - 18/7 is -387/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 7 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 96 × 7 = 672,
81/96 = 81 × 7/96 × 7 = 567/672 - Likewise, for the 2nd fraction, since 7 × 96 = 672,
18/7 = 18 × 96/7 × 96 = 1728/672 - Subtract the two like fractions:
567/672 - 1728/672 = 567 - 1728/672 = -1161/672 - After reducing the fraction, the answer is -387/224
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