Answers

Add 4/9 and 9/81

4/9 + 9/81 is 5/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 81 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 9 × 9 = 81,
   4/9 = 4 × 9/9 × 9 = 36/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   9/81 = 9 × 1/81 × 1 = 9/81
4. Add the two like fractions:
   36/81 + 9/81 = 36 + 9/81 = 45/81
5. 45/81 simplified gives 5/9
6. So, 4/9 + 9/81 = 5/9

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