Add 15/75 and 18/5
1st number: 15/75, 2nd number: 3 3/5
15/75 + 18/5 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 5 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
15/75 = 15 × 1/75 × 1 = 15/75 - Likewise, for the 2nd fraction, since 5 × 15 = 75,
18/5 = 18 × 15/5 × 15 = 270/75 - Add the two like fractions:
15/75 + 270/75 = 15 + 270/75 = 285/75 - 285/75 simplified gives 19/5
- So, 15/75 + 18/5 = 19/5
In mixed form: 34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75+18/5 15/75+36/5 15/75+18/10 45/75+18/5 15/75+54/5 15/75+18/15 15/75+90/5 15/75+18/25 15/75+18/35