Subtract 27/18 from 56/20
1st number: 2 16/20, 2nd number: 1 9/18
56/20 - 27/18 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
56/20 = 56 × 9/20 × 9 = 504/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
27/18 = 27 × 10/18 × 10 = 270/180 - Subtract the two like fractions:
504/180 - 270/180 = 504 - 270/180 = 234/180 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20-54/18 56/40-27/18 56/20-27/36 56/20-81/18 56/60-27/18 56/20-27/54 56/20-27/90