Answers

Add 24/60 and 1/81

24/60 + 1/81 is 167/405.

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,
   24/60 = 24 × 27/60 × 27 = 648/1620
3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
   1/81 = 1 × 20/81 × 20 = 20/1620
4. Add the two like fractions:
   648/1620 + 20/1620 = 648 + 20/1620 = 668/1620
5. 668/1620 simplified gives 167/405
6. So, 24/60 + 1/81 = 167/405

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