Subtract 7/24 from 15/63
15/63 - 7/24 is -3/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 24 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
15/63 = 15 × 8/63 × 8 = 120/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
7/24 = 7 × 21/24 × 21 = 147/504 - Subtract the two like fractions:
120/504 - 147/504 = 120 - 147/504 = -27/504 - After reducing the fraction, the answer is -3/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/63-7/24 15/63-14/24 15/63-7/48 45/63-7/24 15/63-21/24 15/63-7/72 75/63-7/24 15/63-35/24 15/63-49/24