In a bag there are blue sweets and red sweets. The ratio of blue sweets to red sweets is 5:3
Verify that the fraction of the sweets that are blue is 58\displaystyle \frac{5}{8}85
222 exam-style questions on Eduqas 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.