Add 98/9 and 80/12
1st number: 10 8/9, 2nd number: 6 8/12
98/9 + 80/12 is 158/9.
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,
98/9 = 98 × 4/9 × 4 = 392/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
80/12 = 80 × 3/12 × 3 = 240/36 - Add the two like fractions:
392/36 + 240/36 = 392 + 240/36 = 632/36 - 632/36 simplified gives 158/9
- So, 98/9 + 80/12 = 158/9
In mixed form: 175/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18+80/12 98/9+80/24 98/27+80/12 98/9+80/36 98/45+80/12 98/9+80/60 98/63+80/12 98/9+80/84