Answers

Add 10/81 and 16/45

10/81 + 16/45 is 194/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 45 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 81 × 5 = 405,
   10/81 = 10 × 5/81 × 5 = 50/405
3. Likewise, for the 2nd fraction, since 45 × 9 = 405,
   16/45 = 16 × 9/45 × 9 = 144/405
4. Add the two like fractions:
   50/405 + 144/405 = 50 + 144/405 = 194/405
5. So, 10/81 + 16/45 = 194/405

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