Subtract 21/12 from 84/96
1st number: 84/96, 2nd number: 1 9/12
84/96 - 21/12 is -7/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 12 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 96 × 1 = 96,
84/96 = 84 × 1/96 × 1 = 84/96 - Likewise, for the 2nd fraction, since 12 × 8 = 96,
21/12 = 21 × 8/12 × 8 = 168/96 - Subtract the two like fractions:
84/96 - 168/96 = 84 - 168/96 = -84/96 - After reducing the fraction, the answer is -7/8
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