Add 9/3 and 15/30
1st number: 3 0/3, 2nd number: 15/30
9/3 + 15/30 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
9/3 = 9 × 10/3 × 10 = 90/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
15/30 = 15 × 1/30 × 1 = 15/30 - Add the two like fractions:
90/30 + 15/30 = 90 + 15/30 = 105/30 - 105/30 simplified gives 7/2
- So, 9/3 + 15/30 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/3+15/30 9/6+15/30 9/3+15/60 27/3+15/30 9/3+45/30 9/3+15/90 45/3+15/30 9/3+75/30 9/15+15/30 63/3+15/30 9/21+15/30