Subtract 20/9 from 81/96
1st number: 81/96, 2nd number: 2 2/9
81/96 - 20/9 is -397/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 9 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 96 × 3 = 288,
81/96 = 81 × 3/96 × 3 = 243/288 - Likewise, for the 2nd fraction, since 9 × 32 = 288,
20/9 = 20 × 32/9 × 32 = 640/288 - Subtract the two like fractions:
243/288 - 640/288 = 243 - 640/288 = -397/288
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