Subtract 15/8 from 36/63
1st number: 36/63, 2nd number: 1 7/8
36/63 - 15/8 is -73/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
36/63 = 36 × 8/63 × 8 = 288/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
15/8 = 15 × 63/8 × 63 = 945/504 - Subtract the two like fractions:
288/504 - 945/504 = 288 - 945/504 = -657/504 - After reducing the fraction, the answer is -73/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/63-15/8 36/63-30/8 36/63-15/16 36/63-45/8 36/63-15/24 36/63-75/8 36/63-15/40 36/63-15/56