Add 80/15 and 28/10
1st number: 5 5/15, 2nd number: 2 8/10
80/15 + 28/10 is 122/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
80/15 = 80 × 2/15 × 2 = 160/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
28/10 = 28 × 3/10 × 3 = 84/30 - Add the two like fractions:
160/30 + 84/30 = 160 + 84/30 = 244/30 - 244/30 simplified gives 122/15
- So, 80/15 + 28/10 = 122/15
In mixed form: 82/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+56/10 80/30+28/10 80/15+28/20 80/15+84/10 80/45+28/10 80/15+28/30 80/75+28/10 80/15+28/50 80/15+28/70