Copy and complete the following list of equivalent fractions of $1 \over 2$.

$${1 \over 2} = {? \over 4} = {? \over 6} = {? \over 8} = {? \over 10} = {? \over 20} = {? \over 50} = {? \over 100}$$### Equivalent fractions

Equivalent fractions are fractions which mean exactly the same thing but which are written in a completely different form. In the diagram below you can see a circle split into halves and then into quarters. We can see here that one half takes up exactly the same area as two quarters. This means that if I have one half of a pizza and my friend has two quarters of a pizza, we have exactly the same amount of pizza.

$${1 \over 2} = {2 \times {1 \over 4}} = {2 \over 4}$$Now every fraction has an infinite number of equivalent fractions, so we will not want to list them all, as this will take quite a while, but it does mean that we can always choose a convenient equivalent fraction when we need one. More of this later.

Calculations with equivalent fraction are pretty straight forward, so long as you remember this simple rule:

**If you multiply or divide the numerator by a number, you must do exactly the same to the denominator, and vice versa in order to keep the same value.**