Simplify \(\frac{3t + 6}{3t}\). The numerator of this fraction will factorise as there is a common factor of 3. This gives \(\frac{3(t + 2)}{3t}\). Now, there is clearly a common factor of 3 between ...

If the denominator has just one term that is a surd, the denominator can be rationalised by multiplying the numerator and denominator by that surd. \(\frac{\sqrt{2 ...