Add 18/50 and 21/20
1st number: 18/50, 2nd number: 1 1/20
18/50 + 21/20 is 141/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
18/50 = 18 × 2/50 × 2 = 36/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
21/20 = 21 × 5/20 × 5 = 105/100 - Add the two like fractions:
36/100 + 105/100 = 36 + 105/100 = 141/100 - So, 18/50 + 21/20 = 141/100
In mixed form: 141/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/50+21/20 18/50+42/20 18/50+21/40 54/50+21/20 18/50+63/20 18/50+21/60 90/50+21/20