Write the ratio 15 : 35 in its simplest form.
There are red shapes and blue shapes in a box, 23\displaystyle \frac{2}{3}32 of the shapes are red.
Write the ratio of red shapes to blue shapes.
Practise Oxford AQA IGCSE Maths Writing and Simplifying Ratio with exam-style questions for Core and Extended tier. 15 questions, matched to the Oxford AQA IGCSE Maths (9260) specification and written in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.