Subtract 56/5 from 90/63
1st number: 1 27/63, 2nd number: 11 1/5
90/63 - 56/5 is -342/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
90/63 = 90 × 5/63 × 5 = 450/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
56/5 = 56 × 63/5 × 63 = 3528/315 - Subtract the two like fractions:
450/315 - 3528/315 = 450 - 3528/315 = -3078/315 - After reducing the fraction, the answer is -342/35
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