Subtract 20/27 from 1/18
1/18 - 20/27 is -37/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
1/18 = 1 × 3/18 × 3 = 3/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
20/27 = 20 × 2/27 × 2 = 40/54 - Subtract the two like fractions:
3/54 - 40/54 = 3 - 40/54 = -37/54
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