Subtract 28/8 from 8/63
1st number: 8/63, 2nd number: 3 4/8
8/63 - 28/8 is -425/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
8/63 = 8 × 8/63 × 8 = 64/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
28/8 = 28 × 63/8 × 63 = 1764/504 - Subtract the two like fractions:
64/504 - 1764/504 = 64 - 1764/504 = -1700/504 - After reducing the fraction, the answer is -425/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/63-28/8 8/63-56/8 8/63-28/16 24/63-28/8 8/63-84/8 8/63-28/24 40/63-28/8 8/63-28/40 56/63-28/8 8/63-28/56