Add 21/6 and 28/10
1st number: 3 3/6, 2nd number: 2 8/10
21/6 + 28/10 is 63/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
21/6 = 21 × 5/6 × 5 = 105/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
28/10 = 28 × 3/10 × 3 = 84/30 - Add the two like fractions:
105/30 + 84/30 = 105 + 84/30 = 189/30 - 189/30 simplified gives 63/10
- So, 21/6 + 28/10 = 63/10
In mixed form: 63/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+28/10 21/6+56/10 21/12+28/10 21/6+28/20 63/6+28/10 21/6+84/10 21/18+28/10 21/6+28/30 21/30+28/10 21/6+28/50 21/42+28/10 21/6+28/70