Add 3/18 and 42/9
1st number: 3/18, 2nd number: 4 6/9
3/18 + 42/9 is 29/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
3/18 = 3 × 1/18 × 1 = 3/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
42/9 = 42 × 2/9 × 2 = 84/18 - Add the two like fractions:
3/18 + 84/18 = 3 + 84/18 = 87/18 - 87/18 simplified gives 29/6
- So, 3/18 + 42/9 = 29/6
In mixed form: 45/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+42/9 3/18+84/9 3/36+42/9 3/18+42/18 9/18+42/9 3/54+42/9 3/18+42/27 15/18+42/9 3/90+42/9 3/18+42/45 21/18+42/9 3/18+42/63