Add 30/15 and 9/5
1st number: 2 0/15, 2nd number: 1 4/5
30/15 + 9/5 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
30/15 = 30 × 1/15 × 1 = 30/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
9/5 = 9 × 3/5 × 3 = 27/15 - Add the two like fractions:
30/15 + 27/15 = 30 + 27/15 = 57/15 - 57/15 simplified gives 19/5
- So, 30/15 + 9/5 = 19/5
In mixed form: 34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+9/5 30/15+18/5 30/15+9/10 90/15+9/5 30/15+27/5 30/45+9/5 30/15+9/15 30/15+45/5 30/75+9/5 30/15+9/25 30/15+63/5 30/15+9/35