Add 15/3 and 30/54
1st number: 5 0/3, 2nd number: 30/54
15/3 + 30/54 is 50/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 3 × 18 = 54,
15/3 = 15 × 18/3 × 18 = 270/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
30/54 = 30 × 1/54 × 1 = 30/54 - Add the two like fractions:
270/54 + 30/54 = 270 + 30/54 = 300/54 - 300/54 simplified gives 50/9
- So, 15/3 + 30/54 = 50/9
In mixed form: 55/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3+30/54 15/3+60/54 15/6+30/54 45/3+30/54 15/3+90/54 15/9+30/54 75/3+30/54 15/21+30/54