Add 27/8 and 9/18
1st number: 3 3/8, 2nd number: 9/18
27/8 + 9/18 is 31/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
27/8 = 27 × 9/8 × 9 = 243/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
9/18 = 9 × 4/18 × 4 = 36/72 - Add the two like fractions:
243/72 + 36/72 = 243 + 36/72 = 279/72 - 279/72 simplified gives 31/8
- So, 27/8 + 9/18 = 31/8
In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+9/18 27/16+9/18 27/8+9/36 81/8+9/18 27/8+27/18 27/24+9/18 27/8+9/54 27/8+45/18 27/40+9/18 27/8+9/90 27/8+63/18 27/56+9/18