Add 36/12 and 42/18
1st number: 3 0/12, 2nd number: 2 6/18
36/12 + 42/18 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
36/12 = 36 × 3/12 × 3 = 108/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
42/18 = 42 × 2/18 × 2 = 84/36 - Add the two like fractions:
108/36 + 84/36 = 108 + 84/36 = 192/36 - 192/36 simplified gives 16/3
- So, 36/12 + 42/18 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+42/18 36/12+84/18 36/24+42/18 36/12+42/36 36/12+42/54 36/60+42/18 36/12+42/90 36/84+42/18