Answers

Subtract 27/16 from 15/54

1^st number: 15/54, 2^nd number: 1 11/16

15/54 - 27/16 is -203/144.

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,
   15/54 = 15 × 8/54 × 8 = 120/432
3. Likewise, for the 2nd fraction, since 16 × 27 = 432,
   27/16 = 27 × 27/16 × 27 = 729/432
4. Subtract the two like fractions:
   120/432 - 729/432 = 120 - 729/432 = -609/432
5. After reducing the fraction, the answer is -203/144

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