Subtract 10/63 from 5/7
5/7 - 10/63 is 5/9.
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,
5/7 = 5 × 9/7 × 9 = 45/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
10/63 = 10 × 1/63 × 1 = 10/63 - Subtract the two like fractions:
45/63 - 10/63 = 45 - 10/63 = 35/63 - After reducing the fraction, the answer is 5/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7-10/63 5/7-20/63 5/14-10/63 15/7-10/63 5/7-30/63 5/21-10/63 25/7-10/63 5/7-50/63 5/35-10/63 35/7-10/63 5/7-70/63 5/49-10/63