Add 9/15 and 80/5
1st number: 9/15, 2nd number: 16 0/5
9/15 + 80/5 is 83/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
9/15 = 9 × 1/15 × 1 = 9/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
80/5 = 80 × 3/5 × 3 = 240/15 - Add the two like fractions:
9/15 + 240/15 = 9 + 240/15 = 249/15 - 249/15 simplified gives 83/5
- So, 9/15 + 80/5 = 83/5
In mixed form: 163/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+80/5 9/30+80/5 9/15+80/10 27/15+80/5 9/45+80/5 9/15+80/15 45/15+80/5 9/75+80/5 9/15+80/25 63/15+80/5 9/15+80/35