Subtract 3/5 from 63/18
1st number: 3 9/18, 2nd number: 3/5
63/18 - 3/5 is 29/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 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 5 × 18 = 90,
3/5 = 3 × 18/5 × 18 = 54/90 - Subtract the two like fractions:
315/90 - 54/90 = 315 - 54/90 = 261/90 - After reducing the fraction, the answer is 29/10
- In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18-6/5 63/36-3/5 63/18-3/10 63/18-9/5 63/54-3/5 63/18-3/15 63/18-15/5 63/90-3/5 63/18-3/25 63/18-21/5 63/18-3/35