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To solve the given expression, let’s break it down step by step.
-
Calculate the inner expressions:
- For the first part, combine
: - Convert each fraction to a common denominator (which is 18):
- Now for the denominator,
: - The common denominator is 15:
- Now we have:
- The division
translates to multiplying by the reciprocal:
- So, the first part simplifies to:
- The common denominator here is 12:
- For the first part, combine
-
Now evaluate the second part:
- For
: - The common denominator is 6:
- Now for the denominator
: - The common denominator here is 60:
- Now we have:
- This yields:
- For
-
Putting it all together:
- Now we substitute back into the larger expression:
Thus, the final result of the expression is: