Add 24/3 and 21/30
1st number: 8 0/3, 2nd number: 21/30
24/3 + 21/30 is 87/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
24/3 = 24 × 10/3 × 10 = 240/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
21/30 = 21 × 1/30 × 1 = 21/30 - Add the two like fractions:
240/30 + 21/30 = 240 + 21/30 = 261/30 - 261/30 simplified gives 87/10
- So, 24/3 + 21/30 = 87/10
In mixed form: 87/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/3+21/30 24/3+42/30 24/6+21/30 24/3+21/60 72/3+21/30 24/3+63/30 24/9+21/30 24/3+21/90 24/15+21/30 24/21+21/30