Subtract 90/54 from 56/15
1st number: 3 11/15, 2nd number: 1 36/54
56/15 - 90/54 is 31/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
56/15 = 56 × 18/15 × 18 = 1008/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
90/54 = 90 × 5/54 × 5 = 450/270 - Subtract the two like fractions:
1008/270 - 450/270 = 1008 - 450/270 = 558/270 - After reducing the fraction, the answer is 31/15
- In mixed form: 21/15
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