Subtract 24/63 from 15/30
15/30 - 24/63 is 5/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
15/30 = 15 × 21/30 × 21 = 315/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
24/63 = 24 × 10/63 × 10 = 240/630 - Subtract the two like fractions:
315/630 - 240/630 = 315 - 240/630 = 75/630 - After reducing the fraction, the answer is 5/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30-48/63 15/60-24/63 45/30-24/63 15/30-72/63 15/90-24/63 75/30-24/63