Add 20/15 and 3/25
1st number: 1 5/15, 2nd number: 3/25
20/15 + 3/25 is 109/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
20/15 = 20 × 5/15 × 5 = 100/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
3/25 = 3 × 3/25 × 3 = 9/75 - Add the two like fractions:
100/75 + 9/75 = 100 + 9/75 = 109/75 - So, 20/15 + 3/25 = 109/75
In mixed form: 134/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15+3/25 20/15+6/25 20/30+3/25 20/15+3/50 60/15+3/25 20/15+9/25 20/45+3/25 20/15+3/75 20/15+15/25 20/75+3/25 20/15+21/25