Subtract 10/63 from 90/9
1st number: 10 0/9, 2nd number: 10/63
90/9 - 10/63 is 620/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
90/9 = 90 × 7/9 × 7 = 630/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
10/63 = 10 × 1/63 × 1 = 10/63 - Subtract the two like fractions:
630/63 - 10/63 = 630 - 10/63 = 620/63 - In mixed form: 953/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9-20/63 90/18-10/63 90/9-30/63 90/27-10/63 90/9-50/63 90/45-10/63 90/9-70/63 90/63-10/63