Add 6/20 and 28/15
1st number: 6/20, 2nd number: 1 13/15
6/20 + 28/15 is 13/6.
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,
6/20 = 6 × 3/20 × 3 = 18/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60 - Add the two like fractions:
18/60 + 112/60 = 18 + 112/60 = 130/60 - 130/60 simplified gives 13/6
- So, 6/20 + 28/15 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+28/15 6/20+56/15 6/40+28/15 6/20+28/30 18/20+28/15 6/20+84/15 6/60+28/15 6/20+28/45 30/20+28/15 6/20+28/75 42/20+28/15