Add 28/6 and 28/20
1st number: 4 4/6, 2nd number: 1 8/20
28/6 + 28/20 is 91/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
28/6 = 28 × 10/6 × 10 = 280/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
28/20 = 28 × 3/20 × 3 = 84/60 - Add the two like fractions:
280/60 + 84/60 = 280 + 84/60 = 364/60 - 364/60 simplified gives 91/15
- So, 28/6 + 28/20 = 91/15
In mixed form: 61/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/6+28/20 28/6+56/20 28/12+28/20 28/6+28/40 84/6+28/20 28/6+84/20 28/18+28/20 28/6+28/60 28/30+28/20 28/42+28/20