Answers

Subtract 7/54 from 5/64

5/64 - 7/54 is -89/1728.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 54 is 1728
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1728
2. For the 1st fraction, since 64 × 27 = 1728,
   5/64 = 5 × 27/64 × 27 = 135/1728
3. Likewise, for the 2nd fraction, since 54 × 32 = 1728,
   7/54 = 7 × 32/54 × 32 = 224/1728
4. Subtract the two like fractions:
   135/1728 - 224/1728 = 135 - 224/1728 = -89/1728

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