Add 54/3 and 42/18
1st number: 18 0/3, 2nd number: 2 6/18
54/3 + 42/18 is 61/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
54/3 = 54 × 6/3 × 6 = 324/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
42/18 = 42 × 1/18 × 1 = 42/18 - Add the two like fractions:
324/18 + 42/18 = 324 + 42/18 = 366/18 - 366/18 simplified gives 61/3
- So, 54/3 + 42/18 = 61/3
In mixed form: 201/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/3+84/18 54/6+42/18 54/3+42/36 54/9+42/18 54/3+42/54 54/15+42/18 54/3+42/90 54/21+42/18