Add 20/15 and 2/20
1st number: 1 5/15, 2nd number: 2/20
20/15 + 2/20 is 43/30.
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,
20/15 = 20 × 4/15 × 4 = 80/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
2/20 = 2 × 3/20 × 3 = 6/60 - Add the two like fractions:
80/60 + 6/60 = 80 + 6/60 = 86/60 - 86/60 simplified gives 43/30
- So, 20/15 + 2/20 = 43/30
In mixed form: 113/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15+2/20 20/15+4/20 20/30+2/20 20/15+2/40 60/15+2/20 20/15+6/20 20/45+2/20 20/15+2/60 20/15+10/20 20/75+2/20 20/15+14/20