Subtract 18/28 from 81/32
1st number: 2 17/32, 2nd number: 18/28
81/32 - 18/28 is 423/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 28 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 28 × 8 = 224,
18/28 = 18 × 8/28 × 8 = 144/224 - Subtract the two like fractions:
567/224 - 144/224 = 567 - 144/224 = 423/224 - In mixed form: 1199/224
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