Subtract 21/96 from 84/72
1st number: 1 12/72, 2nd number: 21/96
84/72 - 21/96 is 91/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 96 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
84/72 = 84 × 4/72 × 4 = 336/288 - Likewise, for the 2nd fraction, since 96 × 3 = 288,
21/96 = 21 × 3/96 × 3 = 63/288 - Subtract the two like fractions:
336/288 - 63/288 = 336 - 63/288 = 273/288 - After reducing the fraction, the answer is 91/96
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