Subtract 36/81 from 1/6
1/6 - 36/81 is -5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
1/6 = 1 × 27/6 × 27 = 27/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
36/81 = 36 × 2/81 × 2 = 72/162 - Subtract the two like fractions:
27/162 - 72/162 = 27 - 72/162 = -45/162 - After reducing the fraction, the answer is -5/18
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