Answers

Subtract 49/42 from 49/54

1^st number: 49/54, 2^nd number: 1 7/42

49/54 - 49/42 is -7/27.

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,
   49/54 = 49 × 7/54 × 7 = 343/378
3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
   49/42 = 49 × 9/42 × 9 = 441/378
4. Subtract the two like fractions:
   343/378 - 441/378 = 343 - 441/378 = -98/378
5. After reducing the fraction, the answer is -7/27

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