Subtract 10/15 from 10/63
10/63 - 10/15 is -32/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
10/63 = 10 × 5/63 × 5 = 50/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
10/15 = 10 × 21/15 × 21 = 210/315 - Subtract the two like fractions:
50/315 - 210/315 = 50 - 210/315 = -160/315 - After reducing the fraction, the answer is -32/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/63-10/15 10/63-20/15 10/63-10/30 30/63-10/15 10/63-30/15 10/63-10/45 50/63-10/15 10/63-50/15 10/63-10/75 70/63-10/15 10/63-70/15