Answers

Add 81/2 and 30/81

1^st number: 40 1/2, 2^nd number: 30/81

81/2 + 30/81 is 2207/54.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 2 × 81 = 162,
   81/2 = 81 × 81/2 × 81 = 6561/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   30/81 = 30 × 2/81 × 2 = 60/162
4. Add the two like fractions:
   6561/162 + 60/162 = 6561 + 60/162 = 6621/162
5. 6621/162 simplified gives 2207/54
6. So, 81/2 + 30/81 = 2207/54
   In mixed form: 4047/54

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