Add 14/21 and 6/12
14/21 + 6/12 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
6/12 = 6 × 7/12 × 7 = 42/84 - Add the two like fractions:
56/84 + 42/84 = 56 + 42/84 = 98/84 - 98/84 simplified gives 7/6
- So, 14/21 + 6/12 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+6/12 14/42+6/12 14/21+6/24 42/21+6/12 14/21+18/12 14/63+6/12 14/21+6/36 70/21+6/12 14/21+30/12 14/21+6/60 98/21+6/12 14/21+42/12 14/21+6/84