Answers

Add 18/15 and 2/81

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

18/15 + 2/81 is 496/405.

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,
   18/15 = 18 × 27/15 × 27 = 486/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   2/81 = 2 × 5/81 × 5 = 10/405
4. Add the two like fractions:
   486/405 + 10/405 = 486 + 10/405 = 496/405
5. So, 18/15 + 2/81 = 496/405
   In mixed form: 191/405

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