Add 5/2 and 81/12
1st number: 2 1/2, 2nd number: 6 9/12
5/2 + 81/12 is 37/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
5/2 = 5 × 6/2 × 6 = 30/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
81/12 = 81 × 1/12 × 1 = 81/12 - Add the two like fractions:
30/12 + 81/12 = 30 + 81/12 = 111/12 - 111/12 simplified gives 37/4
- So, 5/2 + 81/12 = 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: 10/2+81/12 5/4+81/12 5/2+81/24 15/2+81/12 5/6+81/12 5/2+81/36 25/2+81/12 5/10+81/12 5/2+81/60 35/2+81/12 5/14+81/12 5/2+81/84