Add 10/3 and 9/81
1st number: 3 1/3, 2nd number: 9/81
10/3 + 9/81 is 31/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 3 × 27 = 81,
10/3 = 10 × 27/3 × 27 = 270/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
9/81 = 9 × 1/81 × 1 = 9/81 - Add the two like fractions:
270/81 + 9/81 = 270 + 9/81 = 279/81 - 279/81 simplified gives 31/9
- So, 10/3 + 9/81 = 31/9
In mixed form: 34/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/3+9/81 10/3+18/81 10/6+9/81 30/3+9/81 10/3+27/81 10/9+9/81 50/3+9/81 10/3+45/81 10/15+9/81 70/3+9/81 10/3+63/81 10/21+9/81