Subtract 81/12 from 6/36
1st number: 6/36, 2nd number: 6 9/12
6/36 - 81/12 is -79/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
6/36 = 6 × 1/36 × 1 = 6/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
81/12 = 81 × 3/12 × 3 = 243/36 - Subtract the two like fractions:
6/36 - 243/36 = 6 - 243/36 = -237/36 - After reducing the fraction, the answer is -79/12
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