Subtract 15/56 from 70/42
1st number: 1 28/42, 2nd number: 15/56
70/42 - 15/56 is 235/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
70/42 = 70 × 4/42 × 4 = 280/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Subtract the two like fractions:
280/168 - 45/168 = 280 - 45/168 = 235/168 - In mixed form: 167/168
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