Subtract 3/63 from 81/8
1st number: 10 1/8, 2nd number: 3/63
81/8 - 3/63 is 1693/168.
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,
81/8 = 81 × 63/8 × 63 = 5103/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
3/63 = 3 × 8/63 × 8 = 24/504 - Subtract the two like fractions:
5103/504 - 24/504 = 5103 - 24/504 = 5079/504 - After reducing the fraction, the answer is 1693/168
- In mixed form: 1013/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/8-6/63 81/16-3/63 81/8-9/63 81/24-3/63 81/8-15/63 81/40-3/63 81/8-21/63 81/56-3/63