Subtract 1/20 from 90/56
1st number: 1 34/56, 2nd number: 1/20
90/56 - 1/20 is 109/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
90/56 = 90 × 5/56 × 5 = 450/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
1/20 = 1 × 14/20 × 14 = 14/280 - Subtract the two like fractions:
450/280 - 14/280 = 450 - 14/280 = 436/280 - After reducing the fraction, the answer is 109/70
- In mixed form: 139/70
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