Subtract 3/21 from 9/63
9/63 - 3/21 is 0/1.
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,
9/63 = 9 × 1/63 × 1 = 9/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
3/21 = 3 × 3/21 × 3 = 9/63 - Subtract the two like fractions:
9/63 - 9/63 = 9 - 9/63 = 0/63 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63-3/21 9/63-6/21 9/63-3/42 27/63-3/21 9/63-9/21 9/63-3/63 45/63-3/21 9/63-15/21