Add 4/15 and 9/20
4/15 + 9/20 is 43/60.
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,
9/20 = 9 × 3/20 × 3 = 27/60 - Add the two like fractions:
16/60 + 27/60 = 16 + 27/60 = 43/60 - So, 4/15 + 9/20 = 43/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+9/20 4/15+18/20 4/30+9/20 4/15+9/40 12/15+9/20 4/15+27/20 4/45+9/20 4/15+9/60 20/15+9/20 4/15+45/20 4/75+9/20 28/15+9/20 4/15+63/20