Subtract 15/81 from 56/7
1st number: 8 0/7, 2nd number: 15/81
56/7 - 15/81 is 211/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
56/7 = 56 × 81/7 × 81 = 4536/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
15/81 = 15 × 7/81 × 7 = 105/567 - Subtract the two like fractions:
4536/567 - 105/567 = 4536 - 105/567 = 4431/567 - After reducing the fraction, the answer is 211/27
- In mixed form: 722/27
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