Add 2/9 and 9/81
2/9 + 9/81 is 1/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 9 × 9 = 81,
2/9 = 2 × 9/9 × 9 = 18/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
9/81 = 9 × 1/81 × 1 = 9/81 - Add the two like fractions:
18/81 + 9/81 = 18 + 9/81 = 27/81 - 27/81 simplified gives 1/3
- So, 2/9 + 9/81 = 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9+9/81 2/9+18/81 2/18+9/81 6/9+9/81 2/9+27/81 2/27+9/81 10/9+9/81 2/9+45/81 2/45+9/81 14/9+9/81 2/9+63/81 2/63+9/81