Answers

Subtract 42/9 from 28/54

1^st number: 28/54, 2^nd number: 4 6/9

28/54 - 42/9 is -112/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 9 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 54 × 1 = 54,
   28/54 = 28 × 1/54 × 1 = 28/54
3. Likewise, for the 2nd fraction, since 9 × 6 = 54,
   42/9 = 42 × 6/9 × 6 = 252/54
4. Subtract the two like fractions:
   28/54 - 252/54 = 28 - 252/54 = -224/54
5. After reducing the fraction, the answer is -112/27

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