Subtract 72/7 from 81/32
1st number: 2 17/32, 2nd number: 10 2/7
81/32 - 72/7 is -1737/224.
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,
81/32 = 81 × 7/32 × 7 = 567/224 - Likewise, for the 2nd fraction, since 7 × 32 = 224,
72/7 = 72 × 32/7 × 32 = 2304/224 - Subtract the two like fractions:
567/224 - 2304/224 = 567 - 2304/224 = -1737/224
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