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 ...
Indices show where a number has been multiplied by itself, eg squared or cubed, or to show roots of numbers, eg square root. Check your understanding of the process with this National 5 Maths quiz.