Add 2/81 and 21/6
1st number: 2/81, 2nd number: 3 3/6
2/81 + 21/6 is 571/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 6 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
2/81 = 2 × 2/81 × 2 = 4/162 - Likewise, for the 2nd fraction, since 6 × 27 = 162,
21/6 = 21 × 27/6 × 27 = 567/162 - Add the two like fractions:
4/162 + 567/162 = 4 + 567/162 = 571/162 - So, 2/81 + 21/6 = 571/162
In mixed form: 385/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/81+21/6 2/81+42/6 2/81+21/12 6/81+21/6 2/81+63/6 2/81+21/18 10/81+21/6 2/81+21/30 14/81+21/6 2/81+21/42