Subtract 4/63 from 8/12
8/12 - 4/63 is 38/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
8/12 = 8 × 21/12 × 21 = 168/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
4/63 = 4 × 4/63 × 4 = 16/252 - Subtract the two like fractions:
168/252 - 16/252 = 168 - 16/252 = 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: 16/12-4/63 8/12-8/63 8/24-4/63 24/12-4/63 8/12-12/63 8/36-4/63 40/12-4/63 8/12-20/63 8/60-4/63 56/12-4/63 8/12-28/63 8/84-4/63