Add 40/3 and 70/9
1st number: 13 1/3, 2nd number: 7 7/9
40/3 + 70/9 is 190/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
40/3 = 40 × 3/3 × 3 = 120/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
70/9 = 70 × 1/9 × 1 = 70/9 - Add the two like fractions:
120/9 + 70/9 = 120 + 70/9 = 190/9 - So, 40/3 + 70/9 = 190/9
In mixed form: 211/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3+70/9 40/6+70/9 40/3+70/18 40/9+70/9 40/3+70/27 40/15+70/9 40/3+70/45 40/21+70/9 40/3+70/63