Answers

Add 4/36 and 9/81

4/36 + 9/81 is 2/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 36 × 9 = 324,
   4/36 = 4 × 9/36 × 9 = 36/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   9/81 = 9 × 4/81 × 4 = 36/324
4. Add the two like fractions:
   36/324 + 36/324 = 36 + 36/324 = 72/324
5. 72/324 simplified gives 2/9
6. So, 4/36 + 9/81 = 2/9

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