Subtract 15/54 from 42/28
1st number: 1 14/28, 2nd number: 15/54
42/28 - 15/54 is 11/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
42/28 = 42 × 27/28 × 27 = 1134/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
15/54 = 15 × 14/54 × 14 = 210/756 - Subtract the two like fractions:
1134/756 - 210/756 = 1134 - 210/756 = 924/756 - After reducing the fraction, the answer is 11/9
- In mixed form: 12/9
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