Subtract 48/54 from 42/56
42/56 - 48/54 is -5/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
42/56 = 42 × 27/56 × 27 = 1134/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
48/54 = 48 × 28/54 × 28 = 1344/1512 - Subtract the two like fractions:
1134/1512 - 1344/1512 = 1134 - 1344/1512 = -210/1512 - After reducing the fraction, the answer is -5/36
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