Add 30/54 and 40/3
1st number: 30/54, 2nd number: 13 1/3
30/54 + 40/3 is 125/9.
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,
30/54 = 30 × 1/54 × 1 = 30/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
40/3 = 40 × 18/3 × 18 = 720/54 - Add the two like fractions:
30/54 + 720/54 = 30 + 720/54 = 750/54 - 750/54 simplified gives 125/9
- So, 30/54 + 40/3 = 125/9
In mixed form: 138/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+40/3 30/54+80/3 30/54+40/6 90/54+40/3 30/54+40/9 30/54+40/15 30/54+40/21