Answers

Add 8/98 and 98/80

1^st number: 8/98, 2^nd number: 1 18/80

8/98 + 98/80 is 2561/1960.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 80 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 98 × 40 = 3920,
   8/98 = 8 × 40/98 × 40 = 320/3920
3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
   98/80 = 98 × 49/80 × 49 = 4802/3920
4. Add the two like fractions:
   320/3920 + 4802/3920 = 320 + 4802/3920 = 5122/3920
5. 5122/3920 simplified gives 2561/1960
6. So, 8/98 + 98/80 = 2561/1960
   In mixed form: 1601/1960

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