Subtract 8/81 from 81/7
1st number: 11 4/7, 2nd number: 8/81
81/7 - 8/81 is 6505/567.
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,
81/7 = 81 × 81/7 × 81 = 6561/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
8/81 = 8 × 7/81 × 7 = 56/567 - Subtract the two like fractions:
6561/567 - 56/567 = 6561 - 56/567 = 6505/567 - In mixed form: 11268/567
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