Subtract 15/63 from 25/8
1st number: 3 1/8, 2nd number: 15/63
25/8 - 15/63 is 485/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
25/8 = 25 × 63/8 × 63 = 1575/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
15/63 = 15 × 8/63 × 8 = 120/504 - Subtract the two like fractions:
1575/504 - 120/504 = 1575 - 120/504 = 1455/504 - After reducing the fraction, the answer is 485/168
- In mixed form: 2149/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8-15/63 25/8-30/63 25/16-15/63 75/8-15/63 25/8-45/63 25/24-15/63 25/8-75/63 25/40-15/63 25/56-15/63