Add 3/12 and 15/36
3/12 + 15/36 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
3/12 = 3 × 3/12 × 3 = 9/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
15/36 = 15 × 1/36 × 1 = 15/36 - Add the two like fractions:
9/36 + 15/36 = 9 + 15/36 = 24/36 - 24/36 simplified gives 2/3
- So, 3/12 + 15/36 = 2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+15/36 3/12+30/36 3/24+15/36 3/12+15/72 9/12+15/36 3/12+45/36 3/36+15/36 15/12+15/36 3/12+75/36 3/60+15/36 21/12+15/36 3/84+15/36