Add 2/10 and 21/5
1st number: 2/10, 2nd number: 4 1/5
2/10 + 21/5 is 22/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
2/10 = 2 × 1/10 × 1 = 2/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
21/5 = 21 × 2/5 × 2 = 42/10 - Add the two like fractions:
2/10 + 42/10 = 2 + 42/10 = 44/10 - 44/10 simplified gives 22/5
- So, 2/10 + 21/5 = 22/5
In mixed form: 42/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10+21/5 2/10+42/5 2/20+21/5 2/10+21/10 6/10+21/5 2/10+63/5 2/30+21/5 2/10+21/15 2/50+21/5 2/10+21/25 14/10+21/5 2/70+21/5 2/10+21/35