Add 9/15 and 25/30
9/15 + 25/30 is 43/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
9/15 = 9 × 2/15 × 2 = 18/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
25/30 = 25 × 1/30 × 1 = 25/30 - Add the two like fractions:
18/30 + 25/30 = 18 + 25/30 = 43/30 - So, 9/15 + 25/30 = 43/30
In mixed form: 113/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+25/30 9/15+50/30 9/30+25/30 9/15+25/60 27/15+25/30 9/15+75/30 9/45+25/30 9/15+25/90 45/15+25/30 9/75+25/30 63/15+25/30