How can I add or subtract months from a date using the EDATE function in Excel? To use the EDATE function you will need the starting date and the number of months to add or subtract.

Revise how to add, subtract, multiply and divide fractions, how to use a calculator for fractions and how to find fractions of amounts in this GCSE maths guide.

How to subtract in Excel using cell references You don't have to subtract numbers in a single cell; you can also set up a formula that will subtract the values stored in multiple cells.

Addition and Subtraction Tricks Without Pen and Paper: Doing quick calculations without writing anything down can seem tricky, but with the right mental math techniques, students can easily learn ...