Add 80/3 and 18/7
1st number: 26 2/3, 2nd number: 2 4/7
80/3 + 18/7 is 614/21.
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,
80/3 = 80 × 7/3 × 7 = 560/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
18/7 = 18 × 3/7 × 3 = 54/21 - Add the two like fractions:
560/21 + 54/21 = 560 + 54/21 = 614/21 - So, 80/3 + 18/7 = 614/21
In mixed form: 295/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3+36/7 80/6+18/7 80/3+18/14 80/3+54/7 80/9+18/7 80/3+18/21 80/3+90/7 80/15+18/7 80/3+18/35 80/21+18/7 80/3+18/49