*In this article we will learn how and where we can use Sum formula in Microsoft Excel.*

*To add the figures at the intersection of two or more ranges, we can leave a space between the argument ranges in the SUM formula.*

**SUM:**Adds all the numbers in a range of cells**Syntax: =SUM(number1,number2,…)**

There can be maximum 255 arguments. Refer below shown screenshot:

**Let us take an example:**

Column A & B contain some random numbers. We need a formula to find the total of specific rows & columns.We will use Sum function along with a space between the argument ranges.We want a total value of the cells occurring at the intersection of the following ranges:

1. Columns A:B, Row 2:4

2. Column A:A, Row 3:4

3. Columns A:B, Row 1:1 + Columns A:B, Row 5:5

- To sum only the highlighted portion of the range, the formula would be

**=SUM(A:B 2:4)**

- If we select the range manually, we can see the result in status bar to verify the result.

- To get the sum of Column A:A, Row 3:4
- In cell D2, the formula would be

**=SUM(A:A 3:4)**

- To Sum Columns A:B, Row 1:1 + Columns A:B, Row 5:5
- In cell D2, the formula would be

**=SUM(A:B 1:1,5:5)**

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The following statements are incorrect:

•To Sum Columns A:B, Row 1:1 + Columns A:B, Row 5:5

•In cell D2, the formula would be

=SUM(A:B 1:1,5:5)

As the formula =SUM(A:B 1:1,5:5) includes the entire row 5 not just columns A and B, the result shown is correct because only columns A and B contain values.

The correct formula would be:

=SUM(A:B 1:1,A:B 5:5)

Or

=SUM(A1:B1,A5:B15) find this practical