Answers

Add 98/90 and 18/98

1^st number: 1 8/90, 2^nd number: 18/98

98/90 + 18/98 is 2806/2205.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 98 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 90 × 49 = 4410,
   98/90 = 98 × 49/90 × 49 = 4802/4410
3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
   18/98 = 18 × 45/98 × 45 = 810/4410
4. Add the two like fractions:
   4802/4410 + 810/4410 = 4802 + 810/4410 = 5612/4410
5. 5612/4410 simplified gives 2806/2205
6. So, 98/90 + 18/98 = 2806/2205
   In mixed form: 1601/2205

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