Algebraic Techniques, SM-Bank 096 For the difference \(\dfrac{a}{4}-\dfrac{a}{5}\), simplify and write an equivalent algebraic fraction. (2 marks) Show Answers Only \(\dfrac{a}{20}\) Show Worked Solution \(\dfrac{a}{4}-\dfrac{a}{5}\) \(=\dfrac{a}{4}\times \dfrac{5}{5}-\dfrac{a}{5}\times \dfrac{4}{4}\) \(=\dfrac{5a}{20}-\dfrac{4a}{20}\) \(=\dfrac{a}{20}\)