Add 3/12 and 81/14
1st number: 3/12, 2nd number: 5 11/14
3/12 + 81/14 is 169/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
3/12 = 3 × 7/12 × 7 = 21/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
81/14 = 81 × 6/14 × 6 = 486/84 - Add the two like fractions:
21/84 + 486/84 = 21 + 486/84 = 507/84 - 507/84 simplified gives 169/28
- So, 3/12 + 81/14 = 169/28
In mixed form: 61/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+81/14 3/24+81/14 3/12+81/28 9/12+81/14 3/36+81/14 3/12+81/42 15/12+81/14 3/60+81/14 3/12+81/70 21/12+81/14 3/84+81/14 3/12+81/98