Warnings Excel will only produce binary numbers with up to 10 bits. This means that it can only convert decimal numbers greater than -513 and less than 512.

Revise the methods of converting numbers to recurring decimals and, recurring decimals to fractions, and using dot notation in this maths guide.

Working with numbers can be challenging, especially when they appear in different forms, like fractions, decimals, and percentages, yet need to be understood and converted between each other.