Add 15/9 and 16/5
1st number: 1 6/9, 2nd number: 3 1/5
15/9 + 16/5 is 73/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
15/9 = 15 × 5/9 × 5 = 75/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
16/5 = 16 × 9/5 × 9 = 144/45 - Add the two like fractions:
75/45 + 144/45 = 75 + 144/45 = 219/45 - 219/45 simplified gives 73/15
- So, 15/9 + 16/5 = 73/15
In mixed form: 413/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9+16/5 15/9+32/5 15/18+16/5 15/9+16/10 45/9+16/5 15/9+48/5 15/27+16/5 15/9+16/15 75/9+16/5 15/9+80/5 15/45+16/5 15/9+16/25 15/63+16/5 15/9+16/35