Answers

Add 84/15 and 30/81

1^st number: 5 9/15, 2^nd number: 30/81

84/15 + 30/81 is 806/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 15 × 27 = 405,
   84/15 = 84 × 27/15 × 27 = 2268/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   30/81 = 30 × 5/81 × 5 = 150/405
4. Add the two like fractions:
   2268/405 + 150/405 = 2268 + 150/405 = 2418/405
5. 2418/405 simplified gives 806/135
6. So, 84/15 + 30/81 = 806/135
   In mixed form: 5131/135

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