Add 25/81 and 28/9
1st number: 25/81, 2nd number: 3 1/9
25/81 + 28/9 is 277/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
25/81 = 25 × 1/81 × 1 = 25/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
28/9 = 28 × 9/9 × 9 = 252/81 - Add the two like fractions:
25/81 + 252/81 = 25 + 252/81 = 277/81 - So, 25/81 + 28/9 = 277/81
In mixed form: 334/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/81+28/9 25/81+56/9 25/81+28/18 75/81+28/9 25/81+84/9 25/81+28/27 25/81+28/45 25/81+28/63