Add 21/6 and 84/5
1st number: 3 3/6, 2nd number: 16 4/5
21/6 + 84/5 is 203/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 5 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 5 × 6 = 30,
84/5 = 84 × 6/5 × 6 = 504/30 - Add the two like fractions:
105/30 + 504/30 = 105 + 504/30 = 609/30 - 609/30 simplified gives 203/10
- So, 21/6 + 84/5 = 203/10
In mixed form: 203/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+84/5 21/12+84/5 21/6+84/10 63/6+84/5 21/18+84/5 21/6+84/15 21/30+84/5 21/6+84/25 21/42+84/5 21/6+84/35