Subtract 15/63 from 42/25
1st number: 1 17/25, 2nd number: 15/63
42/25 - 15/63 is 757/525.
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,
42/25 = 42 × 63/25 × 63 = 2646/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
15/63 = 15 × 25/63 × 25 = 375/1575 - Subtract the two like fractions:
2646/1575 - 375/1575 = 2646 - 375/1575 = 2271/1575 - After reducing the fraction, the answer is 757/525
- In mixed form: 1232/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25-15/63 42/25-30/63 42/50-15/63 42/25-45/63 42/75-15/63 42/25-75/63