Add 1/20 and 21/50
1/20 + 21/50 is 47/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
1/20 = 1 × 5/20 × 5 = 5/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
21/50 = 21 × 2/50 × 2 = 42/100 - Add the two like fractions:
5/100 + 42/100 = 5 + 42/100 = 47/100 - So, 1/20 + 21/50 = 47/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+21/50 1/20+42/50 1/40+21/50 3/20+21/50 1/20+63/50 1/60+21/50 5/20+21/50 7/20+21/50