Subtract 21/72 from 84/24
1st number: 3 12/24, 2nd number: 21/72
84/24 - 21/72 is 77/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
84/24 = 84 × 3/24 × 3 = 252/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Subtract the two like fractions:
252/72 - 21/72 = 252 - 21/72 = 231/72 - After reducing the fraction, the answer is 77/24
- In mixed form: 35/24
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