Answers

Add 5/18 and 1/81

5/18 + 1/81 is 47/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 18 × 9 = 162,
   5/18 = 5 × 9/18 × 9 = 45/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   1/81 = 1 × 2/81 × 2 = 2/162
4. Add the two like fractions:
   45/162 + 2/162 = 45 + 2/162 = 47/162
5. So, 5/18 + 1/81 = 47/162

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