Add 24/5 and 21/30
1st number: 4 4/5, 2nd number: 21/30
24/5 + 21/30 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
24/5 = 24 × 6/5 × 6 = 144/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
21/30 = 21 × 1/30 × 1 = 21/30 - Add the two like fractions:
144/30 + 21/30 = 144 + 21/30 = 165/30 - 165/30 simplified gives 11/2
- So, 24/5 + 21/30 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/5+21/30 24/5+42/30 24/10+21/30 24/5+21/60 72/5+21/30 24/5+63/30 24/15+21/30 24/5+21/90 24/25+21/30 24/35+21/30