Add 20/6 and 3/81
1st number: 3 2/6, 2nd number: 3/81
20/6 + 3/81 is 91/27.
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,
20/6 = 20 × 27/6 × 27 = 540/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
3/81 = 3 × 2/81 × 2 = 6/162 - Add the two like fractions:
540/162 + 6/162 = 540 + 6/162 = 546/162 - 546/162 simplified gives 91/27
- So, 20/6 + 3/81 = 91/27
In mixed form: 310/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6+3/81 20/6+6/81 20/12+3/81 60/6+3/81 20/6+9/81 20/18+3/81 20/6+15/81 20/30+3/81 20/6+21/81 20/42+3/81