step 1:

The expression is $\"\"$ .

Fractions with different denominators can not be subtracted. So, write the equation with common denominator.

Find the least common denominator L.C.M.

Write the right hand side equation with common denominator

The least common multiple of $\"\"$ and $\"\"$ is $\"\"$ .

Rewrite the equation with common denominator.

$\"\"$

The least common multiple of $\"\"$ a \ \

$\"\"$

The multiple common multiple of $\"\"$ and \ \

$\"\"$ .