Add 9/15 and 3/9
9/15 + 3/9 is 14/15.
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,
9/15 = 9 × 3/15 × 3 = 27/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
3/9 = 3 × 5/9 × 5 = 15/45 - Add the two like fractions:
27/45 + 15/45 = 27 + 15/45 = 42/45 - 42/45 simplified gives 14/15
- So, 9/15 + 3/9 = 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+3/9 9/15+6/9 9/30+3/9 9/15+3/18 27/15+3/9 9/45+3/9 9/15+3/27 45/15+3/9 9/15+15/9 9/75+3/9 9/15+3/45 63/15+3/9 9/15+21/9 9/15+3/63