Cancelling this through the fraction gives \(\frac{t + 2}{t}\). There are no more common factors in this expression. Note \(t\) cannot be cancelled as there is no \(t\) term in the +2 in the ...

Rationalising the denominator when the denominator has a rational ... number, add or subtract a surd, swap the + or – sign and multiply the numerator and denominator by this expression.