Subtract 15/7 from 49/56
1st number: 49/56, 2nd number: 2 1/7
49/56 - 15/7 is -71/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
49/56 = 49 × 1/56 × 1 = 49/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
15/7 = 15 × 8/7 × 8 = 120/56 - Subtract the two like fractions:
49/56 - 120/56 = 49 - 120/56 = -71/56
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