Answers

Add 81/36 and 70/98

1^st number: 2 9/36, 2^nd number: 70/98

81/36 + 70/98 is 83/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 98 is 1764
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1764
2. For the 1st fraction, since 36 × 49 = 1764,
   81/36 = 81 × 49/36 × 49 = 3969/1764
3. Likewise, for the 2nd fraction, since 98 × 18 = 1764,
   70/98 = 70 × 18/98 × 18 = 1260/1764
4. Add the two like fractions:
   3969/1764 + 1260/1764 = 3969 + 1260/1764 = 5229/1764
5. 5229/1764 simplified gives 83/28
6. So, 81/36 + 70/98 = 83/28
   In mixed form: 227/28

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