Subtract 3/72 from 4/63
4/63 - 3/72 is 11/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
4/63 = 4 × 8/63 × 8 = 32/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
3/72 = 3 × 7/72 × 7 = 21/504 - Subtract the two like fractions:
32/504 - 21/504 = 32 - 21/504 = 11/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63-3/72 4/63-6/72 12/63-3/72 4/63-9/72 20/63-3/72 4/63-15/72 28/63-3/72 4/63-21/72