Answers

Subtract 80/18 from 12/98

1^st number: 12/98, 2^nd number: 4 8/18

12/98 - 80/18 is -1906/441.

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,
   12/98 = 12 × 9/98 × 9 = 108/882
3. Likewise, for the 2nd fraction, since 18 × 49 = 882,
   80/18 = 80 × 49/18 × 49 = 3920/882
4. Subtract the two like fractions:
   108/882 - 3920/882 = 108 - 3920/882 = -3812/882
5. After reducing the fraction, the answer is -1906/441

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