Subtract 24/30 from 63/18
1st number: 3 9/18, 2nd number: 24/30
63/18 - 24/30 is 27/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 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 30 × 3 = 90,
24/30 = 24 × 3/30 × 3 = 72/90 - Subtract the two like fractions:
315/90 - 72/90 = 315 - 72/90 = 243/90 - After reducing the fraction, the answer is 27/10
- In mixed form: 27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18-48/30 63/36-24/30 63/18-24/60 63/18-72/30 63/54-24/30 63/18-24/90 63/90-24/30