Add 42/3 and 15/54
1st number: 14 0/3, 2nd number: 15/54
42/3 + 15/54 is 257/18.
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,
42/3 = 42 × 18/3 × 18 = 756/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
15/54 = 15 × 1/54 × 1 = 15/54 - Add the two like fractions:
756/54 + 15/54 = 756 + 15/54 = 771/54 - 771/54 simplified gives 257/18
- So, 42/3 + 15/54 = 257/18
In mixed form: 145/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3+15/54 42/3+30/54 42/6+15/54 42/3+45/54 42/9+15/54 42/3+75/54 42/15+15/54 42/21+15/54