Subtract 4/12 from 8/63
8/63 - 4/12 is -13/63.
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,
8/63 = 8 × 4/63 × 4 = 32/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
4/12 = 4 × 21/12 × 21 = 84/252 - Subtract the two like fractions:
32/252 - 84/252 = 32 - 84/252 = -52/252 - After reducing the fraction, the answer is -13/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/63-4/12 8/63-8/12 8/63-4/24 24/63-4/12 8/63-4/36 40/63-4/12 8/63-20/12 8/63-4/60 56/63-4/12 8/63-28/12 8/63-4/84