Add 9/3 and 15/90
1st number: 3 0/3, 2nd number: 15/90
9/3 + 15/90 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
9/3 = 9 × 30/3 × 30 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Add the two like fractions:
270/90 + 15/90 = 270 + 15/90 = 285/90 - 285/90 simplified gives 19/6
- So, 9/3 + 15/90 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/3+15/90 9/3+30/90 9/6+15/90 27/3+15/90 9/3+45/90 45/3+15/90 9/3+75/90 9/15+15/90 63/3+15/90 9/21+15/90