Subtract 7/32 from 21/54
21/54 - 7/32 is 49/288.
Steps for subtracting fractions
- 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,
21/54 = 21 × 16/54 × 16 = 336/864 - Likewise, for the 2nd fraction, since 32 × 27 = 864,
7/32 = 7 × 27/32 × 27 = 189/864 - Subtract the two like fractions:
336/864 - 189/864 = 336 - 189/864 = 147/864 - After reducing the fraction, the answer is 49/288
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