Add 4/15 and 20/25
4/15 + 20/25 is 16/15.
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,
4/15 = 4 × 5/15 × 5 = 20/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
20/25 = 20 × 3/25 × 3 = 60/75 - Add the two like fractions:
20/75 + 60/75 = 20 + 60/75 = 80/75 - 80/75 simplified gives 16/15
- So, 4/15 + 20/25 = 16/15
In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+20/25 4/15+40/25 4/30+20/25 4/15+20/50 12/15+20/25 4/15+60/25 4/45+20/25 4/15+20/75 20/15+20/25 4/75+20/25 28/15+20/25