Subtract 60/63 from 90/9
1st number: 10 0/9, 2nd number: 60/63
90/9 - 60/63 is 190/21.
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,
60/63 = 60 × 1/63 × 1 = 60/63 - Subtract the two like fractions:
630/63 - 60/63 = 630 - 60/63 = 570/63 - After reducing the fraction, the answer is 190/21
- In mixed form: 91/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18-60/63 90/27-60/63 90/45-60/63 90/63-60/63