Subtract 63/32 from 12/54, Solve 12/54

Subtract 63/32 from 12/54

1^st number: 12/54, 2^nd number: 1 31/32

12/54 - 63/32 is -503/288.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 32 is 864

Next, find the equivalent fraction of both fractional numbers with denominator 864
For the 1st fraction, since 54 × 16 = 864,
12/54 = 12 × 16/54 × 16 = 192/864
Likewise, for the 2nd fraction, since 32 × 27 = 864,
63/32 = 63 × 27/32 × 27 = 1701/864
Subtract the two like fractions:
192/864 - 1701/864 = 192 - 1701/864 = -1509/864
After reducing the fraction, the answer is -503/288

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