Subtract 30/63 from 9/8
1st number: 1 1/8, 2nd number: 30/63
9/8 - 30/63 is 109/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
9/8 = 9 × 63/8 × 63 = 567/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
30/63 = 30 × 8/63 × 8 = 240/504 - Subtract the two like fractions:
567/504 - 240/504 = 567 - 240/504 = 327/504 - After reducing the fraction, the answer is 109/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/8-30/63 9/8-60/63 9/16-30/63 27/8-30/63 9/8-90/63 9/24-30/63 45/8-30/63 9/40-30/63 63/8-30/63 9/56-30/63