Add 27/8 and 81/56
1st number: 3 3/8, 2nd number: 1 25/56
27/8 + 81/56 is 135/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
27/8 = 27 × 7/8 × 7 = 189/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
81/56 = 81 × 1/56 × 1 = 81/56 - Add the two like fractions:
189/56 + 81/56 = 189 + 81/56 = 270/56 - 270/56 simplified gives 135/28
- So, 27/8 + 81/56 = 135/28
In mixed form: 423/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+81/56 27/16+81/56 81/8+81/56 27/24+81/56 27/40+81/56 27/56+81/56