Add 20/3 and 42/9
1st number: 6 2/3, 2nd number: 4 6/9
20/3 + 42/9 is 34/3.
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,
20/3 = 20 × 3/3 × 3 = 60/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
42/9 = 42 × 1/9 × 1 = 42/9 - Add the two like fractions:
60/9 + 42/9 = 60 + 42/9 = 102/9 - 102/9 simplified gives 34/3
- So, 20/3 + 42/9 = 34/3
In mixed form: 111/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3+42/9 20/3+84/9 20/6+42/9 20/3+42/18 60/3+42/9 20/9+42/9 20/3+42/27 20/15+42/9 20/3+42/45 20/21+42/9 20/3+42/63