Add 15/54 and 45/3
1st number: 15/54, 2nd number: 15 0/3
15/54 + 45/3 is 275/18.
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,
15/54 = 15 × 1/54 × 1 = 15/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
45/3 = 45 × 18/3 × 18 = 810/54 - Add the two like fractions:
15/54 + 810/54 = 15 + 810/54 = 825/54 - 825/54 simplified gives 275/18
- So, 15/54 + 45/3 = 275/18
In mixed form: 155/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/54+45/3 15/54+90/3 15/54+45/6 45/54+45/3 15/54+45/9 75/54+45/3 15/54+45/15 15/54+45/21