Subtract 63/56 from 3/12
1st number: 3/12, 2nd number: 1 7/56
3/12 - 63/56 is -7/8.
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,
3/12 = 3 × 14/12 × 14 = 42/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
63/56 = 63 × 3/56 × 3 = 189/168 - Subtract the two like fractions:
42/168 - 189/168 = 42 - 189/168 = -147/168 - After reducing the fraction, the answer is -7/8
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