Add 10/9 and 16/81
1st number: 1 1/9, 2nd number: 16/81
10/9 + 16/81 is 106/81.
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,
10/9 = 10 × 9/9 × 9 = 90/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
16/81 = 16 × 1/81 × 1 = 16/81 - Add the two like fractions:
90/81 + 16/81 = 90 + 16/81 = 106/81 - So, 10/9 + 16/81 = 106/81
In mixed form: 125/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+16/81 10/9+32/81 10/18+16/81 30/9+16/81 10/9+48/81 10/27+16/81 50/9+16/81 10/9+80/81 10/45+16/81 70/9+16/81 10/63+16/81