Subtract 12/9 from 21/96
1st number: 21/96, 2nd number: 1 3/9
21/96 - 12/9 is -107/96.
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,
21/96 = 21 × 3/96 × 3 = 63/288 - Likewise, for the 2nd fraction, since 9 × 32 = 288,
12/9 = 12 × 32/9 × 32 = 384/288 - Subtract the two like fractions:
63/288 - 384/288 = 63 - 384/288 = -321/288 - After reducing the fraction, the answer is -107/96
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