Subtract 8/18 from 63/16
1st number: 3 15/16, 2nd number: 8/18
63/16 - 8/18 is 503/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
63/16 = 63 × 9/16 × 9 = 567/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
8/18 = 8 × 8/18 × 8 = 64/144 - Subtract the two like fractions:
567/144 - 64/144 = 567 - 64/144 = 503/144 - In mixed form: 371/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16-16/18 63/32-8/18 63/16-8/36 63/16-24/18 63/48-8/18 63/16-8/54 63/16-40/18 63/80-8/18 63/16-8/90 63/16-56/18