Add 15/2 and 3/9
1st number: 7 1/2, 2nd number: 3/9
15/2 + 3/9 is 47/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
15/2 = 15 × 9/2 × 9 = 135/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
3/9 = 3 × 2/9 × 2 = 6/18 - Add the two like fractions:
135/18 + 6/18 = 135 + 6/18 = 141/18 - 141/18 simplified gives 47/6
- So, 15/2 + 3/9 = 47/6
In mixed form: 75/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+3/9 15/2+6/9 15/4+3/9 15/2+3/18 45/2+3/9 15/6+3/9 15/2+3/27 75/2+3/9 15/2+15/9 15/10+3/9 15/2+3/45 15/2+21/9 15/14+3/9 15/2+3/63