Write down the values of x x\,x and 100x 100x\,100x when x=0.4˙5˙x = 0.\dot{4}\dot{5}x=0.4˙5˙
Hence prove algebraically that the recurring decimal 0.4˙5˙0.\dot{4}\dot{5}0.4˙5˙ can be written as 511\displaystyle \frac{5}{11}115
203 exam-style questions on Eduqas GCSE Maths Recurring Decimals to Fractions. Each one has a worked solution and a mark scheme showing where the marks go.