Subtract 56/63 from 8/14
8/14 - 56/63 is -20/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
8/14 = 8 × 9/14 × 9 = 72/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
56/63 = 56 × 2/63 × 2 = 112/126 - Subtract the two like fractions:
72/126 - 112/126 = 72 - 112/126 = -40/126 - After reducing the fraction, the answer is -20/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14-56/63 8/28-56/63 24/14-56/63 8/42-56/63 40/14-56/63 8/70-56/63 56/14-56/63 8/98-56/63