3rd level Ratios Simplifying ratios Ratios are usually written in the form a:b and are used to compare quantities which are measured in the same units. Given a ratio, quantities can be calculated and ...

Simplify \(6:1.5\). Multiply both numbers by 2. 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.