Add 80/18 and 2/9
1st number: 4 8/18, 2nd number: 2/9
80/18 + 2/9 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
80/18 = 80 × 1/18 × 1 = 80/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
2/9 = 2 × 2/9 × 2 = 4/18 - Add the two like fractions:
80/18 + 4/18 = 80 + 4/18 = 84/18 - 84/18 simplified gives 14/3
- So, 80/18 + 2/9 = 14/3
In mixed form: 42/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+4/9 80/36+2/9 80/18+2/18 80/18+6/9 80/54+2/9 80/18+2/27 80/18+10/9 80/90+2/9 80/18+2/45 80/18+14/9 80/18+2/63