Answers

Subtract 21/32 from 28/54

28/54 - 21/32 is -119/864.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 32 is 864
   
   Next, find the equivalent fraction of both fractional numbers with denominator 864
2. For the 1st fraction, since 54 × 16 = 864,
   28/54 = 28 × 16/54 × 16 = 448/864
3. Likewise, for the 2nd fraction, since 32 × 27 = 864,
   21/32 = 21 × 27/32 × 27 = 567/864
4. Subtract the two like fractions:
   448/864 - 567/864 = 448 - 567/864 = -119/864

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