Subtract 15/20 from 24/63
24/63 - 15/20 is -31/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
24/63 = 24 × 20/63 × 20 = 480/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
15/20 = 15 × 63/20 × 63 = 945/1260 - Subtract the two like fractions:
480/1260 - 945/1260 = 480 - 945/1260 = -465/1260 - After reducing the fraction, the answer is -31/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/63-15/20 24/63-30/20 24/63-15/40 72/63-15/20 24/63-45/20 24/63-15/60 24/63-75/20