Subtract 75/63 from 3/8
1st number: 3/8, 2nd number: 1 12/63
3/8 - 75/63 is -137/168.
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,
3/8 = 3 × 63/8 × 63 = 189/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
75/63 = 75 × 8/63 × 8 = 600/504 - Subtract the two like fractions:
189/504 - 600/504 = 189 - 600/504 = -411/504 - After reducing the fraction, the answer is -137/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-75/63 3/16-75/63 9/8-75/63 3/24-75/63 15/8-75/63 3/40-75/63 21/8-75/63 3/56-75/63