Add 10/9 and 12/80
1st number: 1 1/9, 2nd number: 12/80
10/9 + 12/80 is 227/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
10/9 = 10 × 80/9 × 80 = 800/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
12/80 = 12 × 9/80 × 9 = 108/720 - Add the two like fractions:
800/720 + 108/720 = 800 + 108/720 = 908/720 - 908/720 simplified gives 227/180
- So, 10/9 + 12/80 = 227/180
In mixed form: 147/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+12/80 10/9+24/80 10/18+12/80 30/9+12/80 10/9+36/80 10/27+12/80 50/9+12/80 10/9+60/80 10/45+12/80 70/9+12/80 10/9+84/80 10/63+12/80