Subtract 21/54 from 56/15
1st number: 3 11/15, 2nd number: 21/54
56/15 - 21/54 is 301/90.
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,
21/54 = 21 × 5/54 × 5 = 105/270 - Subtract the two like fractions:
1008/270 - 105/270 = 1008 - 105/270 = 903/270 - After reducing the fraction, the answer is 301/90
- In mixed form: 331/90
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