Answers

Add 2/81 and 10/18

2/81 + 10/18 is 47/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 18 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 81 × 2 = 162,
   2/81 = 2 × 2/81 × 2 = 4/162
3. Likewise, for the 2nd fraction, since 18 × 9 = 162,
   10/18 = 10 × 9/18 × 9 = 90/162
4. Add the two like fractions:
   4/162 + 90/162 = 4 + 90/162 = 94/162
5. 94/162 simplified gives 47/81
6. So, 2/81 + 10/18 = 47/81

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