Add 20/15 and 3/6
1st number: 1 5/15, 2nd number: 3/6
20/15 + 3/6 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
20/15 = 20 × 2/15 × 2 = 40/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
3/6 = 3 × 5/6 × 5 = 15/30 - Add the two like fractions:
40/30 + 15/30 = 40 + 15/30 = 55/30 - 55/30 simplified gives 11/6
- So, 20/15 + 3/6 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15+3/6 20/30+3/6 20/15+3/12 60/15+3/6 20/15+9/6 20/45+3/6 20/15+3/18 20/15+15/6 20/75+3/6 20/15+3/30 20/15+21/6 20/15+3/42