Subtract 81/64 from 56/7
1st number: 8 0/7, 2nd number: 1 17/64
56/7 - 81/64 is 431/64.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 64 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 7 × 64 = 448,
56/7 = 56 × 64/7 × 64 = 3584/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
81/64 = 81 × 7/64 × 7 = 567/448 - Subtract the two like fractions:
3584/448 - 567/448 = 3584 - 567/448 = 3017/448 - After reducing the fraction, the answer is 431/64
- In mixed form: 647/64
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