Subtract 2/7 from 6/63
6/63 - 2/7 is -4/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
6/63 = 6 × 1/63 × 1 = 6/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
2/7 = 2 × 9/7 × 9 = 18/63 - Subtract the two like fractions:
6/63 - 18/63 = 6 - 18/63 = -12/63 - After reducing the fraction, the answer is -4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/63-2/7 6/63-4/7 6/63-2/14 18/63-2/7 6/63-6/7 6/63-2/21 30/63-2/7 6/63-10/7 6/63-2/35 42/63-2/7 6/63-14/7 6/63-2/49