Subtract 75/63 from 15/25
1st number: 15/25, 2nd number: 1 12/63
15/25 - 75/63 is -62/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
15/25 = 15 × 63/25 × 63 = 945/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
75/63 = 75 × 25/63 × 25 = 1875/1575 - Subtract the two like fractions:
945/1575 - 1875/1575 = 945 - 1875/1575 = -930/1575 - After reducing the fraction, the answer is -62/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25-75/63 15/50-75/63 45/25-75/63 15/75-75/63 75/25-75/63