Add 80/12 and 14/18
1st number: 6 8/12, 2nd number: 14/18
80/12 + 14/18 is 67/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
80/12 = 80 × 3/12 × 3 = 240/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
14/18 = 14 × 2/18 × 2 = 28/36 - Add the two like fractions:
240/36 + 28/36 = 240 + 28/36 = 268/36 - 268/36 simplified gives 67/9
- So, 80/12 + 14/18 = 67/9
In mixed form: 74/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+28/18 80/24+14/18 80/12+14/36 80/12+42/18 80/36+14/18 80/12+14/54 80/12+70/18 80/60+14/18 80/12+14/90 80/12+98/18 80/84+14/18