Answers

Add 2/15 and 6/81

2/15 + 6/81 is 28/135.

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,
   2/15 = 2 × 27/15 × 27 = 54/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   6/81 = 6 × 5/81 × 5 = 30/405
4. Add the two like fractions:
   54/405 + 30/405 = 54 + 30/405 = 84/405
5. 84/405 simplified gives 28/135
6. So, 2/15 + 6/81 = 28/135

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