Subtract 8/21 from 48/63
48/63 - 8/21 is 8/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
48/63 = 48 × 1/63 × 1 = 48/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
8/21 = 8 × 3/21 × 3 = 24/63 - Subtract the two like fractions:
48/63 - 24/63 = 48 - 24/63 = 24/63 - After reducing the fraction, the answer is 8/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/63-8/21 48/63-16/21 48/63-8/42 48/63-24/21 48/63-8/63 48/63-40/21 48/63-56/21