In a bag there are only red sweets and yellow sweets. 35\displaystyle \frac{3}{5}53 of the sweets are red.
Write down the ratio of red sweets to yellow sweets in its simplest form.
222 exam-style questions on OCR GCSE Maths Writing a Ratio as a Fraction or Linear Function. Each one has a worked solution and a mark scheme showing where the marks go.