Subtract 81/32 from 15/2
1st number: 7 1/2, 2nd number: 2 17/32
15/2 - 81/32 is 159/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 32 is 32
Next, find the equivalent fraction of both fractional numbers with denominator 32 - For the 1st fraction, since 2 × 16 = 32,
15/2 = 15 × 16/2 × 16 = 240/32 - Likewise, for the 2nd fraction, since 32 × 1 = 32,
81/32 = 81 × 1/32 × 1 = 81/32 - Subtract the two like fractions:
240/32 - 81/32 = 240 - 81/32 = 159/32 - In mixed form: 431/32
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