Subtract 7/8 from 36/63
36/63 - 7/8 is -17/56.
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,
7/8 = 7 × 63/8 × 63 = 441/504 - Subtract the two like fractions:
288/504 - 441/504 = 288 - 441/504 = -153/504 - After reducing the fraction, the answer is -17/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/63-7/8 36/63-14/8 36/63-7/16 36/63-21/8 36/63-7/24 36/63-35/8 36/63-7/40 36/63-49/8 36/63-7/56