Subtract 56/54 from 18/24, Solve 18/24

Subtract 56/54 from 18/24

1^st number: 18/24, 2^nd number: 1 2/54

18/24 - 56/54 is -31/108.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 54 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 24 × 9 = 216,
18/24 = 18 × 9/24 × 9 = 162/216
Likewise, for the 2nd fraction, since 54 × 4 = 216,
56/54 = 56 × 4/54 × 4 = 224/216
Subtract the two like fractions:
162/216 - 224/216 = 162 - 224/216 = -62/216
After reducing the fraction, the answer is -31/108

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