Answers

Subtract 63/64 from 18/36

18/36 - 63/64 is -31/64.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 64 is 576
   
   Next, find the equivalent fraction of both fractional numbers with denominator 576
2. For the 1st fraction, since 36 × 16 = 576,
   18/36 = 18 × 16/36 × 16 = 288/576
3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
   63/64 = 63 × 9/64 × 9 = 567/576
4. Subtract the two like fractions:
   288/576 - 567/576 = 288 - 567/576 = -279/576
5. After reducing the fraction, the answer is -31/64

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