Subtract 6/27 from 5/81
5/81 - 6/27 is -13/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 27 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
5/81 = 5 × 1/81 × 1 = 5/81 - Likewise, for the 2nd fraction, since 27 × 3 = 81,
6/27 = 6 × 3/27 × 3 = 18/81 - Subtract the two like fractions:
5/81 - 18/81 = 5 - 18/81 = -13/81
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