Subtract 27/21 from 96/28
1st number: 3 12/28, 2nd number: 1 6/21
96/28 - 27/21 is 15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
96/28 = 96 × 3/28 × 3 = 288/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
27/21 = 27 × 4/21 × 4 = 108/84 - Subtract the two like fractions:
288/84 - 108/84 = 288 - 108/84 = 180/84 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
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