Subtract 15/24 from 12/54
12/54 - 15/24 is -29/72.
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,
12/54 = 12 × 4/54 × 4 = 48/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
15/24 = 15 × 9/24 × 9 = 135/216 - Subtract the two like fractions:
48/216 - 135/216 = 48 - 135/216 = -87/216 - After reducing the fraction, the answer is -29/72
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