Write the ratio 18:42 18 : 42\,18:42 in its simplest form.
There are lemon sweets and lime sweets in a bag, 45\displaystyle \frac{4}{5}54 of the sweets are lemon.
Write the ratio of lemon sweets to lime sweets.
64 exam-style questions on Edexcel GCSE Maths Writing and Simplifying Ratio. Each one has a worked solution and a mark scheme showing where the marks go.