Answers

Subtract 70/63 from 15/64

1^st number: 15/64, 2^nd number: 1 7/63

15/64 - 70/63 is -505/576.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 63 is 4032
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4032
2. For the 1st fraction, since 64 × 63 = 4032,
   15/64 = 15 × 63/64 × 63 = 945/4032
3. Likewise, for the 2nd fraction, since 63 × 64 = 4032,
   70/63 = 70 × 64/63 × 64 = 4480/4032
4. Subtract the two like fractions:
   945/4032 - 4480/4032 = 945 - 4480/4032 = -3535/4032
5. After reducing the fraction, the answer is -505/576

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