Add 20/12 and 9/6
1st number: 1 8/12, 2nd number: 1 3/6
20/12 + 9/6 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
20/12 = 20 × 1/12 × 1 = 20/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
9/6 = 9 × 2/6 × 2 = 18/12 - Add the two like fractions:
20/12 + 18/12 = 20 + 18/12 = 38/12 - 38/12 simplified gives 19/6
- So, 20/12 + 9/6 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+9/6 20/12+18/6 20/24+9/6 20/12+9/12 60/12+9/6 20/12+27/6 20/36+9/6 20/12+9/18 20/12+45/6 20/60+9/6 20/12+9/30 20/12+63/6 20/84+9/6 20/12+9/42