# Addition and subtraction of decimal fractions - Examples, Exercises and Solutions

## Simple Operations with Decimal Numbers

We will solve addition and subtraction operations of decimal numbers in vertical form, always keeping in mind the following rules:
• All the rules that are applicable to the addition and subtraction of whole numbers also apply to decimal numbers.
• The decimal points must always be aligned one under the other.
• Numbers must be written in an orderly manner - both to the right of the decimal point and to its left (tenths under tenths, hundredths under hundredths, and so on)

## Practice Addition and subtraction of decimal fractions

### Exercise #1

$0.75+0.35=$

1.1

### Exercise #2

Determine whether the exercise is correctly written or not.

The position of the decimal point corresponds.

Not true

### Exercise #3

Determine whether the exercise is correctly written or not.

The position of the decimal point corresponds.

La posición del punto decimal coincide.

Not true

### Exercise #4

Determine whether the exercise is correctly written or not.

The position of the decimal point corresponds.

True

### Exercise #5

Determine whether the exercise is correctly written or not.

The position of the decimal point corresponds..

True

### Exercise #1

Determine whether the exercise is correctly written or not.

The position of the decimal point corresponds.

Not true

### Exercise #2

$0.25-0.1=$

### Video Solution

$0.15$

### Exercise #3

$0.61+0.20=$

### Video Solution

$0.81$

### Exercise #4

is $3.2-2.10$ the same as:

The position of the decimal point corresponds.

No.

### Exercise #5

Determine whether the exercise is correctly written or not.

The position of the decimal point corresponds.

True

### Exercise #1

Determine whether the exercise is correctly written or not.

The position of the decimal point corresponds.

True

### Exercise #2

Determine whether the exercise is correctly written or not.
The position of the decimal point corresponds.

True

### Exercise #3

Determine whether the exercise is correctly written or not.

The position of the decimal point corresponds.

Not true

### Exercise #4

Circle the correct answer to the following exercise:

8.62

### Exercise #5

Circle the correct answer to the following exercise: