Subtract 6/9 from 9/63
9/63 - 6/9 is -11/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 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 9 × 7 = 63,
6/9 = 6 × 7/9 × 7 = 42/63 - Subtract the two like fractions:
9/63 - 42/63 = 9 - 42/63 = -33/63 - After reducing the fraction, the answer is -11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63-6/9 9/63-12/9 9/63-6/18 27/63-6/9 9/63-18/9 9/63-6/27 45/63-6/9 9/63-30/9 9/63-6/45 9/63-42/9 9/63-6/63