Answer:



Explanation:

Find a common denominator for each set of fractions.
The common denominator for
and
is
.
So, rewrite the expression with a common denominator of
:


Add the fractions inside each set of parentheses:


Multiply the two fractions:

Simplify the fraction:

Now, let's express the result as a decimal and a percentage:
Decimal:

Percentage:

So, the final answers are:


