I'm assuming you mean you have a column on sheet1 and a column on sheet2 that
you want to total on sheet3. If that's the case to add cell A2 from Sheet1
and A2 from Sheet2 enter the following formula on Sheet3:
=Sheet1!A2+Sheet2!A2
Substituting proper sheet names, of course.
Good luck!

"TeachMeExcel" wrote:

How can I combine two tabs in one master tab. I need to combine two columns?