Subtract 15/18 from 18/24
18/24 - 15/18 is -1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
18/24 = 18 × 3/24 × 3 = 54/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
15/18 = 15 × 4/18 × 4 = 60/72 - Subtract the two like fractions:
54/72 - 60/72 = 54 - 60/72 = -6/72 - After reducing the fraction, the answer is -1/12
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