Add 3/54 and 42/9
1st number: 3/54, 2nd number: 4 6/9
3/54 + 42/9 is 85/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 9 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
3/54 = 3 × 1/54 × 1 = 3/54 - Likewise, for the 2nd fraction, since 9 × 6 = 54,
42/9 = 42 × 6/9 × 6 = 252/54 - Add the two like fractions:
3/54 + 252/54 = 3 + 252/54 = 255/54 - 255/54 simplified gives 85/18
- So, 3/54 + 42/9 = 85/18
In mixed form: 413/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/54+42/9 3/54+84/9 3/54+42/18 9/54+42/9 3/54+42/27 15/54+42/9 3/54+42/45 21/54+42/9 3/54+42/63