Subtract 8/7 from 63/9
1st number: 7 0/9, 2nd number: 1 1/7
63/9 - 8/7 is 41/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
63/9 = 63 × 7/9 × 7 = 441/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
8/7 = 8 × 9/7 × 9 = 72/63 - Subtract the two like fractions:
441/63 - 72/63 = 441 - 72/63 = 369/63 - After reducing the fraction, the answer is 41/7
- In mixed form: 56/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/9-16/7 63/18-8/7 63/9-8/14 63/9-24/7 63/27-8/7 63/9-8/21 63/9-40/7 63/45-8/7 63/9-8/35 63/9-56/7 63/9-8/49