Answers

Add 6/81 and 4/27

6/81 + 4/27 is 2/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 27 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 81 × 1 = 81,
   6/81 = 6 × 1/81 × 1 = 6/81
3. Likewise, for the 2nd fraction, since 27 × 3 = 81,
   4/27 = 4 × 3/27 × 3 = 12/81
4. Add the two like fractions:
   6/81 + 12/81 = 6 + 12/81 = 18/81
5. 18/81 simplified gives 2/9
6. So, 6/81 + 4/27 = 2/9

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