Subtract 54/28 from 42/54
1st number: 42/54, 2nd number: 1 26/28
42/54 - 54/28 is -145/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
42/54 = 42 × 14/54 × 14 = 588/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
54/28 = 54 × 27/28 × 27 = 1458/756 - Subtract the two like fractions:
588/756 - 1458/756 = 588 - 1458/756 = -870/756 - After reducing the fraction, the answer is -145/126
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