Add 5/20 and 4/15
5/20 + 4/15 is 31/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
5/20 = 5 × 3/20 × 3 = 15/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
4/15 = 4 × 4/15 × 4 = 16/60 - Add the two like fractions:
15/60 + 16/60 = 15 + 16/60 = 31/60 - So, 5/20 + 4/15 = 31/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+4/15 5/20+8/15 5/40+4/15 5/20+4/30 15/20+4/15 5/20+12/15 5/60+4/15 5/20+4/45 25/20+4/15 5/20+20/15 5/20+4/75 35/20+4/15 5/20+28/15