Subtract 8/63 from 5/15
5/15 - 8/63 is 13/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
5/15 = 5 × 21/15 × 21 = 105/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
8/63 = 8 × 5/63 × 5 = 40/315 - Subtract the two like fractions:
105/315 - 40/315 = 105 - 40/315 = 65/315 - After reducing the fraction, the answer is 13/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15-8/63 5/15-16/63 5/30-8/63 5/15-24/63 5/45-8/63 25/15-8/63 5/15-40/63 5/75-8/63 35/15-8/63 5/15-56/63