Add 25/15 and 2/9
1st number: 1 10/15, 2nd number: 2/9
25/15 + 2/9 is 17/9.
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,
25/15 = 25 × 3/15 × 3 = 75/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
2/9 = 2 × 5/9 × 5 = 10/45 - Add the two like fractions:
75/45 + 10/45 = 75 + 10/45 = 85/45 - 85/45 simplified gives 17/9
- So, 25/15 + 2/9 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15+2/9 25/15+4/9 25/30+2/9 25/15+2/18 75/15+2/9 25/15+6/9 25/45+2/9 25/15+2/27 25/15+10/9 25/75+2/9 25/15+2/45 25/15+14/9 25/15+2/63