Subtract 4/63 from 3/12
3/12 - 4/63 is 47/252.
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,
3/12 = 3 × 21/12 × 21 = 63/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
4/63 = 4 × 4/63 × 4 = 16/252 - Subtract the two like fractions:
63/252 - 16/252 = 63 - 16/252 = 47/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-4/63 3/12-8/63 3/24-4/63 9/12-4/63 3/12-12/63 3/36-4/63 15/12-4/63 3/12-20/63 3/60-4/63 21/12-4/63 3/12-28/63 3/84-4/63