*Learn how to do subtraction and addition in Microsoft Excel.*

Excel 2007 or 2010: How to Subtract and Add Numbers

Many people use Microsoft Excel to organize numerical data. As result, there are times you have to do some mathematic calculations. Instead of reaching for your calculator, make Excel do the math for you!

**Here is how to add or subtract numbers in Excel:**Run Microsoft Excel.

**Step 2:**

Familiarize yourself with the following math operators: the

**plus (+)**sign to add numbers, and the**minus (-)**sign to subtract numbers. You can see the formulas for your equations in the formula bar.**Step 3:**

Add numbers with Excel. For example if you want to add

**55 and 33**, enter the following equation into one of the cells**=55+33**(the solution is**88**). Excel will then automatically do the math for you. This works for all types of addition problems. For example if you want to ad**55, 32, and 86**enter the following equation into one of the cells:**=55+32+86**(the solution is to**173**).**Step 4:**

Subtract numbers with Excel. For example if you want to subtract

**33 from 55**, enter the following equation into one of the cells**=55-33**(the solution is**22**). This works for all types of subtractions.

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