Answers

Subtract 42/18 from 42/98

1^st number: 42/98, 2^nd number: 2 6/18

42/98 - 42/18 is -40/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 18 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 98 × 9 = 882,
   42/98 = 42 × 9/98 × 9 = 378/882
3. Likewise, for the 2nd fraction, since 18 × 49 = 882,
   42/18 = 42 × 49/18 × 49 = 2058/882
4. Subtract the two like fractions:
   378/882 - 2058/882 = 378 - 2058/882 = -1680/882
5. After reducing the fraction, the answer is -40/21

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