Write the ratio 70:40 70 : 40\,70:40 in its simplest form
113\displaystyle \frac{1}{13}131 of people in a class are left handed.
Write the ratio of left handed people to right handed people
249 exam-style questions on OCR GCSE Maths Writing and Simplifying Ratio. Each one has a worked solution and a mark scheme showing where the marks go.