Add 4/5 and 21/6
1st number: 4/5, 2nd number: 3 3/6
4/5 + 21/6 is 43/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
4/5 = 4 × 6/5 × 6 = 24/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
21/6 = 21 × 5/6 × 5 = 105/30 - Add the two like fractions:
24/30 + 105/30 = 24 + 105/30 = 129/30 - 129/30 simplified gives 43/10
- So, 4/5 + 21/6 = 43/10
In mixed form: 43/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5+21/6 4/5+42/6 4/10+21/6 4/5+21/12 12/5+21/6 4/5+63/6 4/15+21/6 4/5+21/18 20/5+21/6 4/25+21/6 4/5+21/30 28/5+21/6 4/35+21/6 4/5+21/42