Add 18/6 and 81/8
1st number: 3 0/6, 2nd number: 10 1/8
18/6 + 81/8 is 105/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
18/6 = 18 × 4/6 × 4 = 72/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
81/8 = 81 × 3/8 × 3 = 243/24 - Add the two like fractions:
72/24 + 243/24 = 72 + 243/24 = 315/24 - 315/24 simplified gives 105/8
- So, 18/6 + 81/8 = 105/8
In mixed form: 131/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6+81/8 18/12+81/8 18/6+81/16 54/6+81/8 18/6+81/24 90/6+81/8 18/30+81/8 18/6+81/40 18/42+81/8 18/6+81/56