Add 6/12 and 15/20
6/12 + 15/20 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
6/12 = 6 × 5/12 × 5 = 30/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60 - Add the two like fractions:
30/60 + 45/60 = 30 + 45/60 = 75/60 - 75/60 simplified gives 5/4
- So, 6/12 + 15/20 = 5/4
In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+30/20 6/24+15/20 6/12+15/40 18/12+15/20 6/12+45/20 6/36+15/20 6/12+15/60 30/12+15/20 6/12+75/20 6/60+15/20 42/12+15/20 6/84+15/20