Subtract 15/18 from 8/27
8/27 - 15/18 is -29/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
8/27 = 8 × 2/27 × 2 = 16/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
15/18 = 15 × 3/18 × 3 = 45/54 - Subtract the two like fractions:
16/54 - 45/54 = 16 - 45/54 = -29/54
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