Add 35/12 and 80/9
1st number: 2 11/12, 2nd number: 8 8/9
35/12 + 80/9 is 425/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
35/12 = 35 × 3/12 × 3 = 105/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
80/9 = 80 × 4/9 × 4 = 320/36 - Add the two like fractions:
105/36 + 320/36 = 105 + 320/36 = 425/36 - So, 35/12 + 80/9 = 425/36
In mixed form: 1129/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+80/9 35/24+80/9 35/12+80/18 35/36+80/9 35/12+80/27 35/60+80/9 35/12+80/45 35/84+80/9 35/12+80/63