Add 28/3 and 8/81
1st number: 9 1/3, 2nd number: 8/81
28/3 + 8/81 is 764/81.
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,
28/3 = 28 × 27/3 × 27 = 756/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
8/81 = 8 × 1/81 × 1 = 8/81 - Add the two like fractions:
756/81 + 8/81 = 756 + 8/81 = 764/81 - So, 28/3 + 8/81 = 764/81
In mixed form: 935/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3+8/81 28/3+16/81 28/6+8/81 84/3+8/81 28/3+24/81 28/9+8/81 28/3+40/81 28/15+8/81 28/3+56/81 28/21+8/81