Subtract 1/24 from 20/63
20/63 - 1/24 is 139/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 24 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
20/63 = 20 × 8/63 × 8 = 160/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
1/24 = 1 × 21/24 × 21 = 21/504 - Subtract the two like fractions:
160/504 - 21/504 = 160 - 21/504 = 139/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63-1/24 20/63-2/24 20/63-1/48 60/63-1/24 20/63-3/24 20/63-1/72 20/63-5/24 20/63-7/24