Add 18/20 and 15/50
18/20 + 15/50 is 6/5.
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,
18/20 = 18 × 5/20 × 5 = 90/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
15/50 = 15 × 2/50 × 2 = 30/100 - Add the two like fractions:
90/100 + 30/100 = 90 + 30/100 = 120/100 - 120/100 simplified gives 6/5
- So, 18/20 + 15/50 = 6/5
In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+15/50 18/20+30/50 18/40+15/50 54/20+15/50 18/20+45/50 18/60+15/50 90/20+15/50 18/20+75/50