Add 8/2 and 81/12
1st number: 4 0/2, 2nd number: 6 9/12
8/2 + 81/12 is 43/4.
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,
8/2 = 8 × 6/2 × 6 = 48/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
81/12 = 81 × 1/12 × 1 = 81/12 - Add the two like fractions:
48/12 + 81/12 = 48 + 81/12 = 129/12 - 129/12 simplified gives 43/4
- So, 8/2 + 81/12 = 43/4
In mixed form: 103/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2+81/12 8/4+81/12 8/2+81/24 24/2+81/12 8/6+81/12 8/2+81/36 40/2+81/12 8/10+81/12 8/2+81/60 56/2+81/12 8/14+81/12 8/2+81/84