Subtract 3/9 from 3/63
3/63 - 3/9 is -2/7.
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,
3/63 = 3 × 1/63 × 1 = 3/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
3/9 = 3 × 7/9 × 7 = 21/63 - Subtract the two like fractions:
3/63 - 21/63 = 3 - 21/63 = -18/63 - After reducing the fraction, the answer is -2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/63-3/9 3/63-6/9 3/63-3/18 9/63-3/9 3/63-3/27 15/63-3/9 3/63-15/9 3/63-3/45 21/63-3/9 3/63-21/9 3/63-3/63