Solution:
Given expression:
To simplify the given expression:
Let us first solve the numerator of the expression .
To add or subtract the fraction, the denominators of the fraction must be same.
To make it same, multiply by and by .
------------------- (1)
Now, solve the denominator of the expression .
To add or subtract the fraction, the denominators of the fraction must be same.
To make it same, multiply by and by .
------------------- (2)
Substitute (1) and (2) in the given expression.
Using rational rule:
Common factor ab get canceled.
Hence the simplified expression is .