Add 14/12 and 6/21
1st number: 1 2/12, 2nd number: 6/21
14/12 + 6/21 is 61/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
14/12 = 14 × 7/12 × 7 = 98/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
6/21 = 6 × 4/21 × 4 = 24/84 - Add the two like fractions:
98/84 + 24/84 = 98 + 24/84 = 122/84 - 122/84 simplified gives 61/42
- So, 14/12 + 6/21 = 61/42
In mixed form: 119/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/12+6/21 14/12+12/21 14/24+6/21 14/12+6/42 42/12+6/21 14/12+18/21 14/36+6/21 14/12+6/63 70/12+6/21 14/12+30/21 14/60+6/21 98/12+6/21 14/12+42/21 14/84+6/21