Subtract 27/4 from 56/20
1st number: 2 16/20, 2nd number: 6 3/4
56/20 - 27/4 is -79/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
56/20 = 56 × 1/20 × 1 = 56/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
27/4 = 27 × 5/4 × 5 = 135/20 - Subtract the two like fractions:
56/20 - 135/20 = 56 - 135/20 = -79/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20-54/4 56/40-27/4 56/20-27/8 56/20-81/4 56/60-27/4 56/20-27/12 56/20-27/20 56/20-27/28