Answers

Subtract 84/16 from 28/54

1^st number: 28/54, 2^nd number: 5 4/16

28/54 - 84/16 is -511/108.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 16 is 432
   
   Next, find the equivalent fraction of both fractional numbers with denominator 432
2. For the 1st fraction, since 54 × 8 = 432,
   28/54 = 28 × 8/54 × 8 = 224/432
3. Likewise, for the 2nd fraction, since 16 × 27 = 432,
   84/16 = 84 × 27/16 × 27 = 2268/432
4. Subtract the two like fractions:
   224/432 - 2268/432 = 224 - 2268/432 = -2044/432
5. After reducing the fraction, the answer is -511/108

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