An animated guide to the development of fractions. The characters compare the practical use of Egyptian fractions to divide objects manually with the vulgar fractions we use for abstract maths. An ...

It is easy to add fractions when the numbers on the bottom are the same. All you need to do is add the tops of the fractions together. So \(\frac{2}{9} + \frac{5}{9} = \frac{7}{9}\) Sometimes you need ...