Answers

Subtract 50/42 from 8/54

1^st number: 8/54, 2^nd number: 1 8/42

8/54 - 50/42 is -197/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 42 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   8/54 = 8 × 7/54 × 7 = 56/378
3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
   50/42 = 50 × 9/42 × 9 = 450/378
4. Subtract the two like fractions:
   56/378 - 450/378 = 56 - 450/378 = -394/378
5. After reducing the fraction, the answer is -197/189

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