Subtract 81/32 from 4/7
1st number: 4/7, 2nd number: 2 17/32
4/7 - 81/32 is -439/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 7 × 32 = 224,
4/7 = 4 × 32/7 × 32 = 128/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
81/32 = 81 × 7/32 × 7 = 567/224 - Subtract the two like fractions:
128/224 - 567/224 = 128 - 567/224 = -439/224
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