Add 18/3 and 21/50
1st number: 6 0/3, 2nd number: 21/50
18/3 + 21/50 is 321/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 3 × 50 = 150,
18/3 = 18 × 50/3 × 50 = 900/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
21/50 = 21 × 3/50 × 3 = 63/150 - Add the two like fractions:
900/150 + 63/150 = 900 + 63/150 = 963/150 - 963/150 simplified gives 321/50
- So, 18/3 + 21/50 = 321/50
In mixed form: 621/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+21/50 18/3+42/50 18/6+21/50 54/3+21/50 18/3+63/50 18/9+21/50 90/3+21/50 18/15+21/50 18/21+21/50