Subtract 63/10 from 63/18
1st number: 3 9/18, 2nd number: 6 3/10
63/18 - 63/10 is -14/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
63/10 = 63 × 9/10 × 9 = 567/90 - Subtract the two like fractions:
315/90 - 567/90 = 315 - 567/90 = -252/90 - After reducing the fraction, the answer is -14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/36-63/10 63/18-63/20 63/54-63/10 63/18-63/30 63/90-63/10 63/18-63/50 63/18-63/70