Answers

Subtract 21/96 from 28/54

28/54 - 21/96 is 259/864.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 96 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 96 × 9 = 864,
   21/96 = 21 × 9/96 × 9 = 189/864
4. Subtract the two like fractions:
   448/864 - 189/864 = 448 - 189/864 = 259/864

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