Add 27/2 and 81/8
1st number: 13 1/2, 2nd number: 10 1/8
27/2 + 81/8 is 189/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
27/2 = 27 × 4/2 × 4 = 108/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
81/8 = 81 × 1/8 × 1 = 81/8 - Add the two like fractions:
108/8 + 81/8 = 108 + 81/8 = 189/8 - So, 27/2 + 81/8 = 189/8
In mixed form: 235/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2+81/8 27/4+81/8 27/2+81/16 81/2+81/8 27/6+81/8 27/2+81/24 27/10+81/8 27/2+81/40 27/14+81/8 27/2+81/56