Subtract 12/54 from 5/15
5/15 - 12/54 is 1/9.
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,
5/15 = 5 × 18/15 × 18 = 90/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
12/54 = 12 × 5/54 × 5 = 60/270 - Subtract the two like fractions:
90/270 - 60/270 = 90 - 60/270 = 30/270 - After reducing the fraction, the answer is 1/9
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