Subtract 21/27 from 7/32
7/32 - 21/27 is -161/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 27 is 864
Next, find the equivalent fraction of both fractional numbers with denominator 864 - For the 1st fraction, since 32 × 27 = 864,
7/32 = 7 × 27/32 × 27 = 189/864 - Likewise, for the 2nd fraction, since 27 × 32 = 864,
21/27 = 21 × 32/27 × 32 = 672/864 - Subtract the two like fractions:
189/864 - 672/864 = 189 - 672/864 = -483/864 - After reducing the fraction, the answer is -161/288
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