Add 80/15 and 36/9
1st number: 5 5/15, 2nd number: 4 0/9
80/15 + 36/9 is 28/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
80/15 = 80 × 3/15 × 3 = 240/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
36/9 = 36 × 5/9 × 5 = 180/45 - Add the two like fractions:
240/45 + 180/45 = 240 + 180/45 = 420/45 - 420/45 simplified gives 28/3
- So, 80/15 + 36/9 = 28/3
In mixed form: 91/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+72/9 80/30+36/9 80/15+36/18 80/45+36/9 80/15+36/27 80/75+36/9 80/15+36/45 80/15+36/63