Write 7290\displaystyle \frac{72}{90}9072 as a fraction in its simplest form.
Hence write 3645\displaystyle \frac{36}{45}4536 as a fraction in its simplest form.
197 exam-style questions on OCR GCSE Maths Writing, Simplifying and Ordering Fractions. Each one has a worked solution and a mark scheme showing where the marks go.