Add 45/54 and 15/3
1st number: 45/54, 2nd number: 5 0/3
45/54 + 15/3 is 35/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 3 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
45/54 = 45 × 1/54 × 1 = 45/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
15/3 = 15 × 18/3 × 18 = 270/54 - Add the two like fractions:
45/54 + 270/54 = 45 + 270/54 = 315/54 - 315/54 simplified gives 35/6
- So, 45/54 + 15/3 = 35/6
In mixed form: 55/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+15/3 45/54+30/3 45/54+15/6 45/54+45/3 45/54+15/9 45/54+75/3 45/54+15/21