Answers

Add 20/81 and 14/36

20/81 + 14/36 is 103/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 36 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 81 × 4 = 324,
   20/81 = 20 × 4/81 × 4 = 80/324
3. Likewise, for the 2nd fraction, since 36 × 9 = 324,
   14/36 = 14 × 9/36 × 9 = 126/324
4. Add the two like fractions:
   80/324 + 126/324 = 80 + 126/324 = 206/324
5. 206/324 simplified gives 103/162
6. So, 20/81 + 14/36 = 103/162

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