Add 49/81 and 7/9
49/81 + 7/9 is 112/81.
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,
49/81 = 49 × 1/81 × 1 = 49/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
7/9 = 7 × 9/9 × 9 = 63/81 - Add the two like fractions:
49/81 + 63/81 = 49 + 63/81 = 112/81 - So, 49/81 + 7/9 = 112/81
In mixed form: 131/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/81+7/9 49/81+14/9 49/81+7/18 49/81+21/9 49/81+7/27 49/81+35/9 49/81+7/45 49/81+49/9 49/81+7/63