Answers

Subtract 5/64 from 21/75

21/75 - 5/64 is 323/1600.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 64 is 4800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4800
2. For the 1st fraction, since 75 × 64 = 4800,
   21/75 = 21 × 64/75 × 64 = 1344/4800
3. Likewise, for the 2nd fraction, since 64 × 75 = 4800,
   5/64 = 5 × 75/64 × 75 = 375/4800
4. Subtract the two like fractions:
   1344/4800 - 375/4800 = 1344 - 375/4800 = 969/4800
5. After reducing the fraction, the answer is 323/1600

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