Subtract 15/7 from 24/63
1st number: 24/63, 2nd number: 2 1/7
24/63 - 15/7 is -37/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
24/63 = 24 × 1/63 × 1 = 24/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
15/7 = 15 × 9/7 × 9 = 135/63 - Subtract the two like fractions:
24/63 - 135/63 = 24 - 135/63 = -111/63 - After reducing the fraction, the answer is -37/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/63-15/7 24/63-30/7 24/63-15/14 72/63-15/7 24/63-45/7 24/63-15/21 24/63-75/7 24/63-15/35 24/63-15/49