Subtract 7/63 from 2/7
2/7 - 7/63 is 11/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
2/7 = 2 × 9/7 × 9 = 18/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
7/63 = 7 × 1/63 × 1 = 7/63 - Subtract the two like fractions:
18/63 - 7/63 = 18 - 7/63 = 11/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7-7/63 2/7-14/63 2/14-7/63 6/7-7/63 2/7-21/63 2/21-7/63 10/7-7/63 2/7-35/63 2/35-7/63 14/7-7/63 2/7-49/63 2/49-7/63