Subtract 27/18 from 56/9
1st number: 6 2/9, 2nd number: 1 9/18
56/9 - 27/18 is 85/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
56/9 = 56 × 2/9 × 2 = 112/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
27/18 = 27 × 1/18 × 1 = 27/18 - Subtract the two like fractions:
112/18 - 27/18 = 112 - 27/18 = 85/18 - In mixed form: 413/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9-54/18 56/18-27/18 56/9-27/36 56/9-81/18 56/27-27/18 56/9-27/54 56/45-27/18 56/9-27/90 56/63-27/18