Subtract 81/36 from 1/3
1st number: 1/3, 2nd number: 2 9/36
1/3 - 81/36 is -23/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 3 × 12 = 36,
1/3 = 1 × 12/3 × 12 = 12/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
81/36 = 81 × 1/36 × 1 = 81/36 - Subtract the two like fractions:
12/36 - 81/36 = 12 - 81/36 = -69/36 - After reducing the fraction, the answer is -23/12
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