Add 56/8 and 27/18
1st number: 7 0/8, 2nd number: 1 9/18
56/8 + 27/18 is 17/2.
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,
56/8 = 56 × 9/8 × 9 = 504/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
27/18 = 27 × 4/18 × 4 = 108/72 - Add the two like fractions:
504/72 + 108/72 = 504 + 108/72 = 612/72 - 612/72 simplified gives 17/2
- So, 56/8 + 27/18 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+54/18 56/16+27/18 56/8+27/36 56/8+81/18 56/24+27/18 56/8+27/54 56/40+27/18 56/8+27/90