Add 81/12 and 15/6
1st number: 6 9/12, 2nd number: 2 3/6
81/12 + 15/6 is 37/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
81/12 = 81 × 1/12 × 1 = 81/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
15/6 = 15 × 2/6 × 2 = 30/12 - Add the two like fractions:
81/12 + 30/12 = 81 + 30/12 = 111/12 - 111/12 simplified gives 37/4
- So, 81/12 + 15/6 = 37/4
In mixed form: 91/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/12+30/6 81/24+15/6 81/12+15/12 81/12+45/6 81/36+15/6 81/12+15/18 81/12+75/6 81/60+15/6 81/12+15/30 81/84+15/6 81/12+15/42