Add 14/81 and 80/12
1st number: 14/81, 2nd number: 6 8/12
14/81 + 80/12 is 554/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 12 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
14/81 = 14 × 4/81 × 4 = 56/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
80/12 = 80 × 27/12 × 27 = 2160/324 - Add the two like fractions:
56/324 + 2160/324 = 56 + 2160/324 = 2216/324 - 2216/324 simplified gives 554/81
- So, 14/81 + 80/12 = 554/81
In mixed form: 668/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/81+80/12 14/81+80/24 42/81+80/12 14/81+80/36 70/81+80/12 14/81+80/60 98/81+80/12 14/81+80/84