Subtract 20/56 from 90/60
1st number: 1 30/60, 2nd number: 20/56
90/60 - 20/56 is 8/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
90/60 = 90 × 14/60 × 14 = 1260/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
20/56 = 20 × 15/56 × 15 = 300/840 - Subtract the two like fractions:
1260/840 - 300/840 = 1260 - 300/840 = 960/840 - After reducing the fraction, the answer is 8/7
- In mixed form: 11/7
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