Subtract 56/63 from 24/45
24/45 - 56/63 is -16/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
24/45 = 24 × 7/45 × 7 = 168/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
56/63 = 56 × 5/63 × 5 = 280/315 - Subtract the two like fractions:
168/315 - 280/315 = 168 - 280/315 = -112/315 - After reducing the fraction, the answer is -16/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/45-56/63 24/90-56/63 72/45-56/63