Subtract 20/10 from 15/54
1st number: 15/54, 2nd number: 2 0/10
15/54 - 20/10 is -31/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
20/10 = 20 × 27/10 × 27 = 540/270 - Subtract the two like fractions:
75/270 - 540/270 = 75 - 540/270 = -465/270 - After reducing the fraction, the answer is -31/18
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