Add 12/8 and 6/9
1st number: 1 4/8, 2nd number: 6/9
12/8 + 6/9 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
12/8 = 12 × 9/8 × 9 = 108/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
6/9 = 6 × 8/9 × 8 = 48/72 - Add the two like fractions:
108/72 + 48/72 = 108 + 48/72 = 156/72 - 156/72 simplified gives 13/6
- So, 12/8 + 6/9 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8+6/9 12/8+12/9 12/16+6/9 12/8+6/18 36/8+6/9 12/8+18/9 12/24+6/9 12/8+6/27 60/8+6/9 12/8+30/9 12/40+6/9 12/8+6/45 84/8+6/9 12/8+42/9 12/56+6/9 12/8+6/63