Add 12/36 and 18/8
1st number: 12/36, 2nd number: 2 2/8
12/36 + 18/8 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
12/36 = 12 × 2/36 × 2 = 24/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
18/8 = 18 × 9/8 × 9 = 162/72 - Add the two like fractions:
24/72 + 162/72 = 24 + 162/72 = 186/72 - 186/72 simplified gives 31/12
- So, 12/36 + 18/8 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36+18/8 12/36+36/8 12/72+18/8 12/36+18/16 12/36+54/8 12/36+18/24 60/36+18/8 12/36+90/8 12/36+18/40 84/36+18/8 12/36+18/56