Subtract 8/12 from 4/63
4/63 - 8/12 is -38/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
4/63 = 4 × 4/63 × 4 = 16/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
8/12 = 8 × 21/12 × 21 = 168/252 - Subtract the two like fractions:
16/252 - 168/252 = 16 - 168/252 = -152/252 - After reducing the fraction, the answer is -38/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63-8/12 4/63-16/12 4/63-8/24 12/63-8/12 4/63-24/12 4/63-8/36 20/63-8/12 4/63-40/12 4/63-8/60 28/63-8/12 4/63-56/12 4/63-8/84