Subtract 9/15 from 5/63
5/63 - 9/15 is -164/315.
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,
5/63 = 5 × 5/63 × 5 = 25/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
9/15 = 9 × 21/15 × 21 = 189/315 - Subtract the two like fractions:
25/315 - 189/315 = 25 - 189/315 = -164/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/63-9/15 5/63-18/15 5/63-9/30 15/63-9/15 5/63-27/15 5/63-9/45 25/63-9/15 5/63-45/15 5/63-9/75 35/63-9/15 5/63-63/15