Add 3/2 and 12/18
1st number: 1 1/2, 2nd number: 12/18
3/2 + 12/18 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
3/2 = 3 × 9/2 × 9 = 27/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
12/18 = 12 × 1/18 × 1 = 12/18 - Add the two like fractions:
27/18 + 12/18 = 27 + 12/18 = 39/18 - 39/18 simplified gives 13/6
- So, 3/2 + 12/18 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+12/18 3/2+24/18 3/4+12/18 3/2+12/36 9/2+12/18 3/2+36/18 3/6+12/18 3/2+12/54 15/2+12/18 3/2+60/18 3/10+12/18 3/2+12/90 21/2+12/18 3/2+84/18 3/14+12/18