Subtract 21/36 from 7/32
7/32 - 21/36 is -35/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 36 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
7/32 = 7 × 9/32 × 9 = 63/288 - Likewise, for the 2nd fraction, since 36 × 8 = 288,
21/36 = 21 × 8/36 × 8 = 168/288 - Subtract the two like fractions:
63/288 - 168/288 = 63 - 168/288 = -105/288 - After reducing the fraction, the answer is -35/96
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