Write the ratio 24 : 72 in its simplest form.
In February, it rained on 37\displaystyle \frac{3}{7}73 of days
Write the ratio of the days it rained to the number of days it did not rain.
15 exam-style questions on CIE IGCSE Maths Writing and Simplifying Ratio. Each one has a worked solution and a mark scheme showing where the marks go.