Subtract 48/54 from 21/32, Solve 21/32

Subtract 48/54 from 21/32

21/32 - 48/54 is -67/288.

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

Next, find the equivalent fraction of both fractional numbers with denominator 864
For the 1st fraction, since 32 × 27 = 864,
21/32 = 21 × 27/32 × 27 = 567/864
Likewise, for the 2nd fraction, since 54 × 16 = 864,
48/54 = 48 × 16/54 × 16 = 768/864
Subtract the two like fractions:
567/864 - 768/864 = 567 - 768/864 = -201/864
After reducing the fraction, the answer is -67/288

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