Subtract 8/20 from 2/63
2/63 - 8/20 is -116/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
2/63 = 2 × 20/63 × 20 = 40/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
8/20 = 8 × 63/20 × 63 = 504/1260 - Subtract the two like fractions:
40/1260 - 504/1260 = 40 - 504/1260 = -464/1260 - After reducing the fraction, the answer is -116/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/63-8/20 2/63-16/20 2/63-8/40 6/63-8/20 2/63-24/20 2/63-8/60 10/63-8/20 2/63-40/20 14/63-8/20 2/63-56/20