Subtract 5/81 from 1/36
1/36 - 5/81 is -11/324.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 36 × 9 = 324,
1/36 = 1 × 9/36 × 9 = 9/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
5/81 = 5 × 4/81 × 4 = 20/324 - Subtract the two like fractions:
9/324 - 20/324 = 9 - 20/324 = -11/324
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