Subtract 90/56 from 24/54, Solve 24/54

Subtract 90/56 from 24/54

1^st number: 24/54, 2^nd number: 1 34/56

24/54 - 90/56 is -293/252.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 56 is 1512

Next, find the equivalent fraction of both fractional numbers with denominator 1512
For the 1st fraction, since 54 × 28 = 1512,
24/54 = 24 × 28/54 × 28 = 672/1512
Likewise, for the 2nd fraction, since 56 × 27 = 1512,
90/56 = 90 × 27/56 × 27 = 2430/1512
Subtract the two like fractions:
672/1512 - 2430/1512 = 672 - 2430/1512 = -1758/1512
After reducing the fraction, the answer is -293/252

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