Subtract 4/42 from 63/56
1st number: 1 7/56, 2nd number: 4/42
63/56 - 4/42 is 173/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
63/56 = 63 × 3/56 × 3 = 189/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
4/42 = 4 × 4/42 × 4 = 16/168 - Subtract the two like fractions:
189/168 - 16/168 = 189 - 16/168 = 173/168 - In mixed form: 15/168
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