Add 27/9 and 42/4
1st number: 3 0/9, 2nd number: 10 2/4
27/9 + 42/4 is 27/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
27/9 = 27 × 4/9 × 4 = 108/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
42/4 = 42 × 9/4 × 9 = 378/36 - Add the two like fractions:
108/36 + 378/36 = 108 + 378/36 = 486/36 - 486/36 simplified gives 27/2
- So, 27/9 + 42/4 = 27/2
In mixed form: 131/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9+42/4 27/9+84/4 27/18+42/4 27/9+42/8 81/9+42/4 27/9+42/12 27/45+42/4 27/9+42/20 27/63+42/4 27/9+42/28