Subtract 12/24 from 15/54
15/54 - 12/24 is -2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
15/54 = 15 × 4/54 × 4 = 60/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
12/24 = 12 × 9/24 × 9 = 108/216 - Subtract the two like fractions:
60/216 - 108/216 = 60 - 108/216 = -48/216 - After reducing the fraction, the answer is -2/9
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