Subtract 20/8 from 56/63
1st number: 56/63, 2nd number: 2 4/8
56/63 - 20/8 is -29/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
56/63 = 56 × 8/63 × 8 = 448/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
20/8 = 20 × 63/8 × 63 = 1260/504 - Subtract the two like fractions:
448/504 - 1260/504 = 448 - 1260/504 = -812/504 - After reducing the fraction, the answer is -29/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63-40/8 56/63-20/16 56/63-60/8 56/63-20/24 56/63-20/40 56/63-20/56