Subtract 8/27 from 81/7
1st number: 11 4/7, 2nd number: 8/27
81/7 - 8/27 is 2131/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
81/7 = 81 × 27/7 × 27 = 2187/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
8/27 = 8 × 7/27 × 7 = 56/189 - Subtract the two like fractions:
2187/189 - 56/189 = 2187 - 56/189 = 2131/189 - In mixed form: 1152/189
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