Add 3/6 and 81/12
1st number: 3/6, 2nd number: 6 9/12
3/6 + 81/12 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
3/6 = 3 × 2/6 × 2 = 6/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
81/12 = 81 × 1/12 × 1 = 81/12 - Add the two like fractions:
6/12 + 81/12 = 6 + 81/12 = 87/12 - 87/12 simplified gives 29/4
- So, 3/6 + 81/12 = 29/4
In mixed form: 71/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 3/12+81/12 3/6+81/24 9/6+81/12 3/18+81/12 3/6+81/36 15/6+81/12 3/30+81/12 3/6+81/60 21/6+81/12 3/42+81/12 3/6+81/84