Answers

Subtract 70/18 from 80/98

1^st number: 80/98, 2^nd number: 3 16/18

80/98 - 70/18 is -1355/441.

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,
   80/98 = 80 × 9/98 × 9 = 720/882
3. Likewise, for the 2nd fraction, since 18 × 49 = 882,
   70/18 = 70 × 49/18 × 49 = 3430/882
4. Subtract the two like fractions:
   720/882 - 3430/882 = 720 - 3430/882 = -2710/882
5. After reducing the fraction, the answer is -1355/441

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