Add 5/6 and 20/81
5/6 + 20/81 is 175/162.
Steps for adding 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,
5/6 = 5 × 27/6 × 27 = 135/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
20/81 = 20 × 2/81 × 2 = 40/162 - Add the two like fractions:
135/162 + 40/162 = 135 + 40/162 = 175/162 - So, 5/6 + 20/81 = 175/162
In mixed form: 113/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/6+20/81 5/6+40/81 5/12+20/81 15/6+20/81 5/6+60/81 5/18+20/81 25/6+20/81 5/30+20/81 35/6+20/81 5/42+20/81