Add 72/20 and 9/50
1st number: 3 12/20, 2nd number: 9/50
72/20 + 9/50 is 189/50.
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,
72/20 = 72 × 5/20 × 5 = 360/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
9/50 = 9 × 2/50 × 2 = 18/100 - Add the two like fractions:
360/100 + 18/100 = 360 + 18/100 = 378/100 - 378/100 simplified gives 189/50
- So, 72/20 + 9/50 = 189/50
In mixed form: 339/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+18/50 72/40+9/50 72/20+27/50 72/60+9/50 72/20+45/50 72/20+63/50