Add 4/15 and 6/20
4/15 + 6/20 is 17/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
4/15 = 4 × 4/15 × 4 = 16/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
6/20 = 6 × 3/20 × 3 = 18/60 - Add the two like fractions:
16/60 + 18/60 = 16 + 18/60 = 34/60 - 34/60 simplified gives 17/30
- So, 4/15 + 6/20 = 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+6/20 4/15+12/20 4/30+6/20 4/15+6/40 12/15+6/20 4/15+18/20 4/45+6/20 4/15+6/60 20/15+6/20 4/15+30/20 4/75+6/20 28/15+6/20 4/15+42/20