Write the ratio 45:63 45 : 63\,45:63 in its simplest form.
There are red shapes and blue shapes in a box, 58\displaystyle \frac{5}{8}85 of the shapes are red.
Write the ratio of red shapes to blue shapes.
249 exam-style questions on Eduqas GCSE Maths Writing and Simplifying Ratio. Each one has a worked solution and a mark scheme showing where the marks go.