Add 8/3 and 80/7
1st number: 2 2/3, 2nd number: 11 3/7
8/3 + 80/7 is 296/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
8/3 = 8 × 7/3 × 7 = 56/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
80/7 = 80 × 3/7 × 3 = 240/21 - Add the two like fractions:
56/21 + 240/21 = 56 + 240/21 = 296/21 - So, 8/3 + 80/7 = 296/21
In mixed form: 142/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/3+80/7 8/6+80/7 8/3+80/14 24/3+80/7 8/9+80/7 8/3+80/21 40/3+80/7 8/15+80/7 8/3+80/35 56/3+80/7 8/21+80/7 8/3+80/49