Adding and Subtracting Decimals
In this lesson, we will look at adding and subtracting decimals.
Adding Decimals
To add two or more decimal numbers:
Step 1: Arrange the digits of the decimals according to their place values. Make sure that the place values and the decimal points are aligned accordingly as shown in the example below.
Step 2: Add the digits from right to left. The addition is the same as addition of whole numbers.
The following examples show how to add decimals and whole numbers. Scroll down the page for more examples and solutions on how to add and subtract decimals.
The following video will show some examples of adding decimals.
Subtracting Decimals
To subtract two decimal numbers:
Step 1: Arrange the digits of the decimals according to their place values. Make sure that the place values and the decimal points are aligned accordingly as shown in the example below.
Step 2: Subtract the digits from right to left. The subtraction is the same as subtraction of whole numbers.
Example:
Evaluate 10.96 - 3.657
Solution:
The following video will show some examples of subtracting decimals.
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