Answers

Subtract 63/8 from 15/63

1^st number: 15/63, 2^nd number: 7 7/8

15/63 - 63/8 is -1283/168.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 63 × 8 = 504,
   15/63 = 15 × 8/63 × 8 = 120/504
3. Likewise, for the 2nd fraction, since 8 × 63 = 504,
   63/8 = 63 × 63/8 × 63 = 3969/504
4. Subtract the two like fractions:
   120/504 - 3969/504 = 120 - 3969/504 = -3849/504
5. After reducing the fraction, the answer is -1283/168

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