Subtract 8/18 from 63/12
1st number: 5 3/12, 2nd number: 8/18
63/12 - 8/18 is 173/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
63/12 = 63 × 3/12 × 3 = 189/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
8/18 = 8 × 2/18 × 2 = 16/36 - Subtract the two like fractions:
189/36 - 16/36 = 189 - 16/36 = 173/36 - In mixed form: 429/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-16/18 63/24-8/18 63/12-8/36 63/12-24/18 63/36-8/18 63/12-8/54 63/12-40/18 63/60-8/18 63/12-8/90 63/12-56/18 63/84-8/18