Subtract 8/63 from 72/9
1st number: 8 0/9, 2nd number: 8/63
72/9 - 8/63 is 496/63.
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,
72/9 = 72 × 7/9 × 7 = 504/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
8/63 = 8 × 1/63 × 1 = 8/63 - Subtract the two like fractions:
504/63 - 8/63 = 504 - 8/63 = 496/63 - In mixed form: 755/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9-16/63 72/18-8/63 72/9-24/63 72/27-8/63 72/9-40/63 72/45-8/63 72/9-56/63 72/63-8/63