Subtract 90/56 from 3/7
1st number: 3/7, 2nd number: 1 34/56
3/7 - 90/56 is -33/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
3/7 = 3 × 8/7 × 8 = 24/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
90/56 = 90 × 1/56 × 1 = 90/56 - Subtract the two like fractions:
24/56 - 90/56 = 24 - 90/56 = -66/56 - After reducing the fraction, the answer is -33/28
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