Subtract 7/56 from 15/12
1st number: 1 3/12, 2nd number: 7/56
15/12 - 7/56 is 9/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
15/12 = 15 × 14/12 × 14 = 210/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
7/56 = 7 × 3/56 × 3 = 21/168 - Subtract the two like fractions:
210/168 - 21/168 = 210 - 21/168 = 189/168 - After reducing the fraction, the answer is 9/8
- In mixed form: 11/8
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