Subtract 63/8 from 9/12
1st number: 9/12, 2nd number: 7 7/8
9/12 - 63/8 is -57/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
9/12 = 9 × 2/12 × 2 = 18/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
63/8 = 63 × 3/8 × 3 = 189/24 - Subtract the two like fractions:
18/24 - 189/24 = 18 - 189/24 = -171/24 - After reducing the fraction, the answer is -57/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12-63/8 9/24-63/8 9/12-63/16 27/12-63/8 9/36-63/8 9/12-63/24 45/12-63/8 9/60-63/8 9/12-63/40 63/12-63/8 9/84-63/8 9/12-63/56