Subtract 14/54 from 81/7
1st number: 11 4/7, 2nd number: 14/54
81/7 - 14/54 is 2138/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
81/7 = 81 × 54/7 × 54 = 4374/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
14/54 = 14 × 7/54 × 7 = 98/378 - Subtract the two like fractions:
4374/378 - 98/378 = 4374 - 98/378 = 4276/378 - After reducing the fraction, the answer is 2138/189
- In mixed form: 1159/189
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