Here is a list of fractions.
39412721927826 \frac{3}{9} \quad \frac{4}{12} \quad \frac{7}{21} \quad \frac{9}{27} \quad \frac{8}{26} 93124217279268One of these fractions is not equivalent to 13\displaystyle \frac{1}{3}31. Write down this fraction.
19 exam-style questions on CIE IGCSE Maths Writing, Simplifying and Ordering Fractions. Each one has a worked solution and a mark scheme showing where the marks go.