Add 40/3 and 21/54
1st number: 13 1/3, 2nd number: 21/54
40/3 + 21/54 is 247/18.
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,
40/3 = 40 × 18/3 × 18 = 720/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Add the two like fractions:
720/54 + 21/54 = 720 + 21/54 = 741/54 - 741/54 simplified gives 247/18
- So, 40/3 + 21/54 = 247/18
In mixed form: 1313/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3+21/54 40/3+42/54 40/6+21/54 40/3+63/54 40/9+21/54 40/15+21/54 40/21+21/54