Add 6/9 and 80/18
1st number: 6/9, 2nd number: 4 8/18
6/9 + 80/18 is 46/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
6/9 = 6 × 2/9 × 2 = 12/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
80/18 = 80 × 1/18 × 1 = 80/18 - Add the two like fractions:
12/18 + 80/18 = 12 + 80/18 = 92/18 - 92/18 simplified gives 46/9
- So, 6/9 + 80/18 = 46/9
In mixed form: 51/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9+80/18 6/18+80/18 6/9+80/36 18/9+80/18 6/27+80/18 6/9+80/54 30/9+80/18 6/45+80/18 6/9+80/90 42/9+80/18 6/63+80/18