The ratio here could be 6 to 3. But people usually talk about ratios using the smallest numbers. So instead of saying 6 to 3… it's 2 to 1. Speaker: Ratios can help you work out total amounts.

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.