Subtract 20/4 from 56/63
1st number: 56/63, 2nd number: 5 0/4
56/63 - 20/4 is -37/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
56/63 = 56 × 4/63 × 4 = 224/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
20/4 = 20 × 63/4 × 63 = 1260/252 - Subtract the two like fractions:
224/252 - 1260/252 = 224 - 1260/252 = -1036/252 - After reducing the fraction, the answer is -37/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63-40/4 56/63-20/8 56/63-60/4 56/63-20/12 56/63-20/28