Subtract 81/84 from 7/6
1st number: 1 1/6, 2nd number: 81/84
7/6 - 81/84 is 17/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
7/6 = 7 × 14/6 × 14 = 98/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
81/84 = 81 × 1/84 × 1 = 81/84 - Subtract the two like fractions:
98/84 - 81/84 = 98 - 81/84 = 17/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/6-81/84 7/12-81/84 21/6-81/84 7/18-81/84 35/6-81/84 7/30-81/84 49/6-81/84 7/42-81/84