Add 45/3 and 30/9
1st number: 15 0/3, 2nd number: 3 3/9
45/3 + 30/9 is 55/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
45/3 = 45 × 3/3 × 3 = 135/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
30/9 = 30 × 1/9 × 1 = 30/9 - Add the two like fractions:
135/9 + 30/9 = 135 + 30/9 = 165/9 - 165/9 simplified gives 55/3
- So, 45/3 + 30/9 = 55/3
In mixed form: 181/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+30/9 45/3+60/9 45/6+30/9 45/3+30/18 45/3+90/9 45/9+30/9 45/3+30/27 45/15+30/9 45/3+30/45 45/21+30/9 45/3+30/63