Subtract 81/32 from 5/18
1st number: 5/18, 2nd number: 2 17/32
5/18 - 81/32 is -649/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
5/18 = 5 × 16/18 × 16 = 80/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
81/32 = 81 × 9/32 × 9 = 729/288 - Subtract the two like fractions:
80/288 - 729/288 = 80 - 729/288 = -649/288
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