Let's say you want to find out how many person hours it took to finish a project (total project hours ÷ total people on project) or the actual miles per gallon rate for your recent crosscountry trip (total miles ÷ total gallons). There are several ways divide numbers.
What do you want to do?
Divide numbers in a cell
To do this task, use the / (forward slash) arithmetic operator.
For example, if you type the following formula in a cell:
=10/5
The cell displays the following result:
2
Divide cells in a range
Example
The example may be easier to understand if you copy it to a blank worksheet.
How to copy an example

Create a blank workbook or worksheet.

Select the example in the Help topic.
Note: Do not select the row or column headers.
Selecting an example from Help

Press CTRL+C.

In the worksheet, select cell A1, and press CTRL+V.

To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

