Subtract 5/7 from 21/32
21/32 - 5/7 is -13/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 7 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
21/32 = 21 × 7/32 × 7 = 147/224 - Likewise, for the 2nd fraction, since 7 × 32 = 224,
5/7 = 5 × 32/7 × 32 = 160/224 - Subtract the two like fractions:
147/224 - 160/224 = 147 - 160/224 = -13/224
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