Write the ratio 28:42 28 : 42\,28:42 in its simplest form.
There are red shapes and blue shapes in a box, 47\displaystyle \frac{4}{7}74 of the shapes are red.
Write the ratio of red shapes to blue shapes.
249 exam-style questions on AQA GCSE Maths Writing and Simplifying Ratio. Each one has a worked solution and a mark scheme showing where the marks go.