Answers

Subtract 25/64 from 7/63

7/63 - 25/64 is -161/576.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 64 is 4032
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4032
2. For the 1st fraction, since 63 × 64 = 4032,
   7/63 = 7 × 64/63 × 64 = 448/4032
3. Likewise, for the 2nd fraction, since 64 × 63 = 4032,
   25/64 = 25 × 63/64 × 63 = 1575/4032
4. Subtract the two like fractions:
   448/4032 - 1575/4032 = 448 - 1575/4032 = -1127/4032
5. After reducing the fraction, the answer is -161/576

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