Subtract 56/20 from 90/15
1st number: 6 0/15, 2nd number: 2 16/20
90/15 - 56/20 is 16/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
90/15 = 90 × 4/15 × 4 = 360/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
56/20 = 56 × 3/20 × 3 = 168/60 - Subtract the two like fractions:
360/60 - 168/60 = 360 - 168/60 = 192/60 - After reducing the fraction, the answer is 16/5
- In mixed form: 31/5
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