Subtract 5/63 from 21/48
21/48 - 5/63 is 361/1008.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 48 × 21 = 1008,
21/48 = 21 × 21/48 × 21 = 441/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
5/63 = 5 × 16/63 × 16 = 80/1008 - Subtract the two like fractions:
441/1008 - 80/1008 = 441 - 80/1008 = 361/1008
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48-5/63 21/48-10/63 21/96-5/63 63/48-5/63 21/48-15/63 21/48-25/63 21/48-35/63