Answers

Add 12/60 and 5/81

12/60 + 5/81 is 106/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 81 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 60 × 27 = 1620,
   12/60 = 12 × 27/60 × 27 = 324/1620
3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
   5/81 = 5 × 20/81 × 20 = 100/1620
4. Add the two like fractions:
   324/1620 + 100/1620 = 324 + 100/1620 = 424/1620
5. 424/1620 simplified gives 106/405
6. So, 12/60 + 5/81 = 106/405

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