Subtract 45/63 from 25/8
1st number: 3 1/8, 2nd number: 45/63
25/8 - 45/63 is 135/56.
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,
45/63 = 45 × 8/63 × 8 = 360/504 - Subtract the two like fractions:
1575/504 - 360/504 = 1575 - 360/504 = 1215/504 - After reducing the fraction, the answer is 135/56
- In mixed form: 223/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8-45/63 25/8-90/63 25/16-45/63 75/8-45/63 25/24-45/63 25/40-45/63 25/56-45/63