Subtract 12/56 from 8/63
8/63 - 12/56 is -11/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 56 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 56 × 9 = 504,
12/56 = 12 × 9/56 × 9 = 108/504 - Subtract the two like fractions:
64/504 - 108/504 = 64 - 108/504 = -44/504 - After reducing the fraction, the answer is -11/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/63-12/56 8/63-24/56 24/63-12/56 8/63-36/56 40/63-12/56 8/63-60/56 56/63-12/56 8/63-84/56