Answers

Subtract 45/54 from 30/64

30/64 - 45/54 is -35/96.

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,
   30/64 = 30 × 27/64 × 27 = 810/1728
3. Likewise, for the 2nd fraction, since 54 × 32 = 1728,
   45/54 = 45 × 32/54 × 32 = 1440/1728
4. Subtract the two like fractions:
   810/1728 - 1440/1728 = 810 - 1440/1728 = -630/1728
5. After reducing the fraction, the answer is -35/96

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