Add 30/3 and 40/9
1st number: 10 0/3, 2nd number: 4 4/9
30/3 + 40/9 is 130/9.
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,
30/3 = 30 × 3/3 × 3 = 90/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
40/9 = 40 × 1/9 × 1 = 40/9 - Add the two like fractions:
90/9 + 40/9 = 90 + 40/9 = 130/9 - So, 30/3 + 40/9 = 130/9
In mixed form: 144/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3+40/9 30/3+80/9 30/6+40/9 30/3+40/18 90/3+40/9 30/9+40/9 30/3+40/27 30/15+40/9 30/3+40/45 30/21+40/9 30/3+40/63