Add 49/81 and 40/9
1st number: 49/81, 2nd number: 4 4/9
49/81 + 40/9 is 409/81.
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,
40/9 = 40 × 9/9 × 9 = 360/81 - Add the two like fractions:
49/81 + 360/81 = 49 + 360/81 = 409/81 - So, 49/81 + 40/9 = 409/81
In mixed form: 54/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/81+40/9 49/81+80/9 49/81+40/18 49/81+40/27 49/81+40/45 49/81+40/63