Subtract 27/15 from 12/54
1st number: 12/54, 2nd number: 1 12/15
12/54 - 27/15 is -71/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
12/54 = 12 × 5/54 × 5 = 60/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
27/15 = 27 × 18/15 × 18 = 486/270 - Subtract the two like fractions:
60/270 - 486/270 = 60 - 486/270 = -426/270 - After reducing the fraction, the answer is -71/45
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