Add 81/12 and 27/14
1st number: 6 9/12, 2nd number: 1 13/14
81/12 + 27/14 is 243/28.
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,
81/12 = 81 × 7/12 × 7 = 567/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
27/14 = 27 × 6/14 × 6 = 162/84 - Add the two like fractions:
567/84 + 162/84 = 567 + 162/84 = 729/84 - 729/84 simplified gives 243/28
- So, 81/12 + 27/14 = 243/28
In mixed form: 819/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/12+54/14 81/24+27/14 81/12+27/28 81/12+81/14 81/36+27/14 81/12+27/42 81/60+27/14 81/12+27/70 81/84+27/14 81/12+27/98