Answers

Add 81/18 and 20/98

1^st number: 4 9/18, 2^nd number: 20/98

81/18 + 20/98 is 461/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 18 × 49 = 882,
   81/18 = 81 × 49/18 × 49 = 3969/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   20/98 = 20 × 9/98 × 9 = 180/882
4. Add the two like fractions:
   3969/882 + 180/882 = 3969 + 180/882 = 4149/882
5. 4149/882 simplified gives 461/98
6. So, 81/18 + 20/98 = 461/98
   In mixed form: 469/98

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