Subtract 42/81 from 54/14
1st number: 3 12/14, 2nd number: 42/81
54/14 - 42/81 is 631/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
54/14 = 54 × 81/14 × 81 = 4374/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
42/81 = 42 × 14/81 × 14 = 588/1134 - Subtract the two like fractions:
4374/1134 - 588/1134 = 4374 - 588/1134 = 3786/1134 - After reducing the fraction, the answer is 631/189
- In mixed form: 364/189
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