$\"\"$

Let $\"\"$ and $\"\"$ non zero positive integers.

The number between $\"\"$ in terms of $\"\"$ and $\"\"$ .

$\"\"$ (Add $\"\"$ and $\"\"$ )

$\"\"$ (Substitute: $\"\"$ )

$\"\"$ (Divide term by $\"\"$ )

$\"\"$ (Simplify)

Therefore, the number is $\"\"$ .

$\"\"$

The number is $\"\"$ .