Subtract 4/18 from 63/10
1st number: 6 3/10, 2nd number: 4/18
63/10 - 4/18 is 547/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
63/10 = 63 × 9/10 × 9 = 567/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
4/18 = 4 × 5/18 × 5 = 20/90 - Subtract the two like fractions:
567/90 - 20/90 = 567 - 20/90 = 547/90 - In mixed form: 67/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/10-8/18 63/20-4/18 63/10-4/36 63/10-12/18 63/30-4/18 63/10-4/54 63/10-20/18 63/50-4/18 63/10-4/90 63/10-28/18 63/70-4/18