Subtract 81/32 from 4/15
1st number: 4/15, 2nd number: 2 17/32
4/15 - 81/32 is -1087/480.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 15 × 32 = 480,
4/15 = 4 × 32/15 × 32 = 128/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
81/32 = 81 × 15/32 × 15 = 1215/480 - Subtract the two like fractions:
128/480 - 1215/480 = 128 - 1215/480 = -1087/480
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