Use a minus sign (-) to subtract,
Subtract numbers in a cell
To do this task, use the - (minus sign) arithmetic operator.
For example, if you type the following formula in a cell:
10-5
The cell displays the following result:
5
(Use whatever cell you want to subtract for. example)
Description (Result)
=A2-A3 Subtracts 9,000 from 15,000 (6,000)
=SUM(A2:A4) Adds all numbers in the list, including negative numbers (16,000)
All these details are available in excel, go to help and type what you want to do. Subtract cell, add cell, divide cell, it will give you a step by step.
I hope this helps you.