Answers

Add 15/81 and 9/6

1^st number: 15/81, 2^nd number: 1 3/6

15/81 + 9/6 is 91/54.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 6 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 81 × 2 = 162,
   15/81 = 15 × 2/81 × 2 = 30/162
3. Likewise, for the 2nd fraction, since 6 × 27 = 162,
   9/6 = 9 × 27/6 × 27 = 243/162
4. Add the two like fractions:
   30/162 + 243/162 = 30 + 243/162 = 273/162
5. 273/162 simplified gives 91/54
6. So, 15/81 + 9/6 = 91/54
   In mixed form: 137/54

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