Subtract 8/12 from 5/63
5/63 - 8/12 is -37/63.
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,
5/63 = 5 × 4/63 × 4 = 20/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
8/12 = 8 × 21/12 × 21 = 168/252 - Subtract the two like fractions:
20/252 - 168/252 = 20 - 168/252 = -148/252 - After reducing the fraction, the answer is -37/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/63-8/12 5/63-16/12 5/63-8/24 15/63-8/12 5/63-24/12 5/63-8/36 25/63-8/12 5/63-40/12 5/63-8/60 35/63-8/12 5/63-56/12 5/63-8/84