Add 81/9 and 6/12
1st number: 9 0/9, 2nd number: 6/12
81/9 + 6/12 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
81/9 = 81 × 4/9 × 4 = 324/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
6/12 = 6 × 3/12 × 3 = 18/36 - Add the two like fractions:
324/36 + 18/36 = 324 + 18/36 = 342/36 - 342/36 simplified gives 19/2
- So, 81/9 + 6/12 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/18+6/12 81/9+6/24 81/9+18/12 81/27+6/12 81/9+6/36 81/9+30/12 81/45+6/12 81/9+6/60 81/9+42/12 81/63+6/12 81/9+6/84