Here is a quick way to do additions in excel. If you want to calculate the sum of numbers in a row or column, let excel so the math for you.
Select the cell next to the cell where you want to add the numbers. Now select the AutoSum option from the home tab. When you select AutoSum option, excel automatically enters a formula to sum the numbers.
To add the numbers in a column, select all the numbers and select the cell right below the cell of the last number of the column and select AutoSum option in the home tab. You will be able to see the formula in the formula tab. Press enter to show the results in the calculation cell.
To find the sum of the numbers in a row, select the cell right beside the last cell of number and repeat the same process.
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