Subtract 8/9 from 12/63
12/63 - 8/9 is -44/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
12/63 = 12 × 1/63 × 1 = 12/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
8/9 = 8 × 7/9 × 7 = 56/63 - Subtract the two like fractions:
12/63 - 56/63 = 12 - 56/63 = -44/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/63-8/9 12/63-16/9 12/63-8/18 36/63-8/9 12/63-24/9 12/63-8/27 60/63-8/9 12/63-40/9 12/63-8/45 84/63-8/9 12/63-56/9 12/63-8/63