Answers

Subtract 54/96 from 21/50

21/50 - 54/96 is -57/400.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 96 is 2400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2400
2. For the 1st fraction, since 50 × 48 = 2400,
   21/50 = 21 × 48/50 × 48 = 1008/2400
3. Likewise, for the 2nd fraction, since 96 × 25 = 2400,
   54/96 = 54 × 25/96 × 25 = 1350/2400
4. Subtract the two like fractions:
   1008/2400 - 1350/2400 = 1008 - 1350/2400 = -342/2400
5. After reducing the fraction, the answer is -57/400

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