Subtract 20/4 from 56/36
1st number: 1 20/36, 2nd number: 5 0/4
56/36 - 20/4 is -31/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
56/36 = 56 × 1/36 × 1 = 56/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
20/4 = 20 × 9/4 × 9 = 180/36 - Subtract the two like fractions:
56/36 - 180/36 = 56 - 180/36 = -124/36 - After reducing the fraction, the answer is -31/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36-40/4 56/72-20/4 56/36-20/8 56/36-60/4 56/36-20/12 56/36-20/28