Add 35/21 and 14/12
1st number: 1 14/21, 2nd number: 1 2/12
35/21 + 14/12 is 17/6.
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,
35/21 = 35 × 4/21 × 4 = 140/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
14/12 = 14 × 7/12 × 7 = 98/84 - Add the two like fractions:
140/84 + 98/84 = 140 + 98/84 = 238/84 - 238/84 simplified gives 17/6
- So, 35/21 + 14/12 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21+14/12 35/21+28/12 35/42+14/12 35/21+14/24 35/21+42/12 35/63+14/12 35/21+14/36 35/21+70/12 35/21+14/60 35/21+98/12 35/21+14/84