Add 18/15 and 30/50
1st number: 1 3/15, 2nd number: 30/50
18/15 + 30/50 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 15 × 10 = 150,
18/15 = 18 × 10/15 × 10 = 180/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
30/50 = 30 × 3/50 × 3 = 90/150 - Add the two like fractions:
180/150 + 90/150 = 180 + 90/150 = 270/150 - 270/150 simplified gives 9/5
- So, 18/15 + 30/50 = 9/5
In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15+30/50 18/15+60/50 18/30+30/50 54/15+30/50 18/15+90/50 18/45+30/50 90/15+30/50 18/75+30/50