Add 18/2 and 42/27
1st number: 9 0/2, 2nd number: 1 15/27
18/2 + 42/27 is 95/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
18/2 = 18 × 27/2 × 27 = 486/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
42/27 = 42 × 2/27 × 2 = 84/54 - Add the two like fractions:
486/54 + 84/54 = 486 + 84/54 = 570/54 - 570/54 simplified gives 95/9
- So, 18/2 + 42/27 = 95/9
In mixed form: 105/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2+42/27 18/2+84/27 18/4+42/27 18/2+42/54 54/2+42/27 18/6+42/27 18/2+42/81 90/2+42/27 18/10+42/27 18/14+42/27