Answers

Subtract 18/28 from 27/64

27/64 - 18/28 is -99/448.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 28 is 448
   
   Next, find the equivalent fraction of both fractional numbers with denominator 448
2. For the 1st fraction, since 64 × 7 = 448,
   27/64 = 27 × 7/64 × 7 = 189/448
3. Likewise, for the 2nd fraction, since 28 × 16 = 448,
   18/28 = 18 × 16/28 × 16 = 288/448
4. Subtract the two like fractions:
   189/448 - 288/448 = 189 - 288/448 = -99/448

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