Adding and Subtracting Decimals

Rules for adding or subtracting decimals:

(1) Line up the numbers by the decimal point.

Rules for adding or subtracting decimals:

(2) Annex zeros to make the same number of places behind the decimal point in all numbers in the problem.

Rules for adding or subtracting decimals:

(3) Add or subtract beginning on the far right side of the problem.

Rules for adding or subtracting decimals:

(4) Place the decimal point in the answer by bringing the decimal point straight down from the problem to the answer.

Examples:

48.6

27.35

+ 12.394

00

0

44

1

3

1

8

1

8 .

Examples:

67.5

- 32.67

0

3

10

8

4

4

6

3 .

14