Subtract 10/81 from 7/6
1st number: 1 1/6, 2nd number: 10/81
7/6 - 10/81 is 169/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
7/6 = 7 × 27/6 × 27 = 189/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
10/81 = 10 × 2/81 × 2 = 20/162 - Subtract the two like fractions:
189/162 - 20/162 = 189 - 20/162 = 169/162 - In mixed form: 17/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/6-10/81 7/6-20/81 7/12-10/81 21/6-10/81 7/6-30/81 7/18-10/81 35/6-10/81 7/6-50/81 7/30-10/81 49/6-10/81 7/6-70/81 7/42-10/81