Subtract 25/63 from 1/15
1/15 - 25/63 is -104/315.
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,
1/15 = 1 × 21/15 × 21 = 21/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
25/63 = 25 × 5/63 × 5 = 125/315 - Subtract the two like fractions:
21/315 - 125/315 = 21 - 125/315 = -104/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15-25/63 1/15-50/63 1/30-25/63 3/15-25/63 1/15-75/63 1/45-25/63 5/15-25/63 1/75-25/63 7/15-25/63