Add 80/3 and 80/18
1st number: 26 2/3, 2nd number: 4 8/18
80/3 + 80/18 is 280/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
80/3 = 80 × 6/3 × 6 = 480/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
80/18 = 80 × 1/18 × 1 = 80/18 - Add the two like fractions:
480/18 + 80/18 = 480 + 80/18 = 560/18 - 560/18 simplified gives 280/9
- So, 80/3 + 80/18 = 280/9
In mixed form: 311/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6+80/18 80/3+80/36 80/9+80/18 80/3+80/54 80/15+80/18 80/3+80/90 80/21+80/18