Add 8/9 and 80/12
1st number: 8/9, 2nd number: 6 8/12
8/9 + 80/12 is 68/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
8/9 = 8 × 4/9 × 4 = 32/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
80/12 = 80 × 3/12 × 3 = 240/36 - Add the two like fractions:
32/36 + 240/36 = 32 + 240/36 = 272/36 - 272/36 simplified gives 68/9
- So, 8/9 + 80/12 = 68/9
In mixed form: 75/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9+80/12 8/18+80/12 8/9+80/24 24/9+80/12 8/27+80/12 8/9+80/36 40/9+80/12 8/45+80/12 8/9+80/60 56/9+80/12 8/63+80/12 8/9+80/84