Write the ratio 54:42 54 : 42\,54:42 in its simplest form
15\displaystyle \frac{1}{5}51 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.