Add 5/81 and 84/9
1st number: 5/81, 2nd number: 9 3/9
5/81 + 84/9 is 761/81.
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,
5/81 = 5 × 1/81 × 1 = 5/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
84/9 = 84 × 9/9 × 9 = 756/81 - Add the two like fractions:
5/81 + 756/81 = 5 + 756/81 = 761/81 - So, 5/81 + 84/9 = 761/81
In mixed form: 932/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/81+84/9 5/81+84/18 15/81+84/9 5/81+84/27 25/81+84/9 5/81+84/45 35/81+84/9 5/81+84/63