Add 3/8 and 27/18
1st number: 3/8, 2nd number: 1 9/18
3/8 + 27/18 is 15/8.
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,
3/8 = 3 × 9/8 × 9 = 27/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
27/18 = 27 × 4/18 × 4 = 108/72 - Add the two like fractions:
27/72 + 108/72 = 27 + 108/72 = 135/72 - 135/72 simplified gives 15/8
- So, 3/8 + 27/18 = 15/8
In mixed form: 17/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8+27/18 3/8+54/18 3/16+27/18 3/8+27/36 9/8+27/18 3/8+81/18 3/24+27/18 3/8+27/54 15/8+27/18 3/40+27/18 3/8+27/90 21/8+27/18 3/56+27/18