Subtract 81/36 from 7/6
1st number: 1 1/6, 2nd number: 2 9/36
7/6 - 81/36 is -13/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 6 × 6 = 36,
7/6 = 7 × 6/6 × 6 = 42/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
81/36 = 81 × 1/36 × 1 = 81/36 - Subtract the two like fractions:
42/36 - 81/36 = 42 - 81/36 = -39/36 - After reducing the fraction, the answer is -13/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/6-81/36 7/12-81/36 7/6-81/72 21/6-81/36 7/18-81/36 35/6-81/36 7/30-81/36 49/6-81/36 7/42-81/36