Answers

Add 8/81 and 8/30

8/81 + 8/30 is 148/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 30 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 81 × 10 = 810,
   8/81 = 8 × 10/81 × 10 = 80/810
3. Likewise, for the 2nd fraction, since 30 × 27 = 810,
   8/30 = 8 × 27/30 × 27 = 216/810
4. Add the two like fractions:
   80/810 + 216/810 = 80 + 216/810 = 296/810
5. 296/810 simplified gives 148/405
6. So, 8/81 + 8/30 = 148/405

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