Subtract 12/63 from 25/8
1st number: 3 1/8, 2nd number: 12/63
25/8 - 12/63 is 493/168.
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,
12/63 = 12 × 8/63 × 8 = 96/504 - Subtract the two like fractions:
1575/504 - 96/504 = 1575 - 96/504 = 1479/504 - After reducing the fraction, the answer is 493/168
- In mixed form: 2157/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8-12/63 25/8-24/63 25/16-12/63 75/8-12/63 25/8-36/63 25/24-12/63 25/8-60/63 25/40-12/63 25/8-84/63 25/56-12/63