How to subtract numbers in a single cell in Excel Standard subtraction in Excel is relatively simple. Click in an empty cell, type an equal sign and then enter the numbers you want to subtract.

Subtraction by counting back Take a look at this number line. It shows 14 - 5 = 9. You can count backwards down the number line to subtract.

Revise how to add, subtract, multiply and divide negative numbers using the correct order of operations (BIDMAS) and how to work this out on a calculator.