Simplify \(6:1.5\). A room has to be painted blue and yellow in the ratio \(2:3\). Express the proportion of the room that has to be painted in each colour as a fraction. There are five parts in this ...

Sometimes you can divide the top and bottom of a fraction by the same number. This is called cancelling down. It is also called simplifying the fraction. You often have to write a fraction in its ...