Add 20/15 and 3/30
1st number: 1 5/15, 2nd number: 3/30
20/15 + 3/30 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,
20/15 = 20 × 2/15 × 2 = 40/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
3/30 = 3 × 1/30 × 1 = 3/30 - Add the two like fractions:
40/30 + 3/30 = 40 + 3/30 = 43/30 - So, 20/15 + 3/30 = 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: 40/15+3/30 20/15+6/30 20/30+3/30 20/15+3/60 60/15+3/30 20/15+9/30 20/45+3/30 20/15+3/90 20/15+15/30 20/75+3/30 20/15+21/30