In this post we will learn how to add two or more decimals.
First we will understand the addition rules and then learn addition with the help of examples.
At the end of the post, questions related the concept is also given for your practice.

Note that the concept developed is asper the standard of Saxon Math which is usually referred in the schools of USA and Canada

In order to add two or more decimals, you have to do the following steps:

(a) Place Value after decimals
Make sure all the numbers have same place value after decimals.
This can be done by adding zeros after the decimal points

(b) Arrange numbers vertically
Number are vertically arranged such that the digits with the same place values are in the same line

(c) Start adding numbers line by line
This process is straight forward as you just have to add numbers vertically

These are the three basic steps.
Let us now understand the process with examples.

Example 01

(a) Place Value after Decimals
Make sure that all the number have same place value after decimal.

For the given number you can observe that:
572.21 ⟹ has two place value after decimal
29.631 ⟹ has three place value after decimal

So we added zero at the end of 572.21 to make the place value number equal

(b) Vertical Arrangement
Arrange numbers vertically such that number with same place value are in same line
Now start adding the numbers from right to left

Hence, 601.841 is the final solution

Example 02

(a) Place Value After Decimal
Make sure all the number have same place values after decimal

7023.51 ⟹ has two place values
431.6 ⟹ has one place value

So we add zero to 431.6 so that place values of both numbers get equal

(b) Vertical Arrangement
Arrange numbers vertically such that number with sample place values are in same line
Adding numbers from right to left

Hence, 7455.11 is the solution

Let us solve some advance questions in which three numbers are added.

Example 03

Solution
(a) Place Values of Decimals

45.25 ⟹ has two decimal places
527.631 ⟹ has three decimal places
22.49 ⟹ has two decimal places

Add zero at the end of 45.25 & 22.49

(b) Vertical Arrangement
Arrange number vertically and start adding number from right to left

Hence, 595.371 is the solution

Example 04
Add the numbers ⟹ 19.071; 6.3; 502.11

Solution
(a) Place Values of Decimals

19.071 ⟹ has three decimal places
6.3 ⟹ has one decimal places
502.11 ⟹ has two decimal place

Make sure all the number have three decimal place
Insert two zero at 6.3
Insert one zero at 502.11

(b) Add numbers from right end

Hence, 527.481 is the solution

Example 05
All the three numbers
⟹ 953.75; 201.361; 5.65

(a) Decimal Place Values Arrangement

953.75 ⟹ has two decimal place values
201.361⟹ has three decimal place values
5.65 ⟹ has two decimal place values

So we add one zero to 953.75 & 5.65, so that all numbers have same decimal place values.

(b) Add numbers from right to left

1160.761 is the solution

In the below post, decimals numbers are given in each question.

You have to do the addition and select the right answer among the given options.
You can also refer to the answer explanation given with each question

⟹ 6.75 + 3.125

(a) 9.765
(b) 9.875
(c) 7.875
(d) 7.765

Solution

9.875 is the solution
Option (b) is the right answer

(02) Do the addition of below numbers
⟹ 2.7 + 63.25

(a) 65.85
(b) 65.50
(c) 65.75
(d) 65.95

Solution

65.95 is the solution
Option (d) is the right answer

⟹ 457.689 + 200.15

(a) 656.230
(b) 657.891
(c) 657.839
(d) 702.231

Solution

657.839 is the solution
Option (c) is the right answer

(04) Calculate the addition of below decimals
⟹ 503.25 + 6000.513

(a) 6503.763
(b) 6503.721
(c) 5201. 847
(d) 5209 . 633

Solution

6503.763 is the solution
Option (a) is the right answer

(05) Find the addition of decimal
⟹ 69.27 + 257.721 + 1007.51

(a) 1332.451
(b) 1334.263
(c) 1332.621
(d) 1334.501

1334.501 is the solution
Option (d) is the solution

⟹ 1052.69 + 6371.64

(a) 6573.28
(b) 7424.33
(c) 6003.69
(d) 7503.45

7424.33 is the solution
Option (b) is the right answer

(07) Add all the given decimals
⟹ 6579.72 + 57554.33 + 152.91

(a) 64283.65
(b) 64285.80
(c) 64286.91
(d) 64286.96

64286.96 is the solution
Option (d) is the right answer

⟹ 953.712 + 45.84 + 2.713

(a) 1002.265
(b) 1000.151
(c) 1002. 154
(d) 1003.754

1002.265 is the solution
Option (a) is the right answer

⟹ 2.05 + 16.9

(a) 19.75
(b) 18.76
(c) 18.95
(d) 19.26

18.95 is the solution
Option (c) is the right answer

⟹ 25.49 + 6.02 + 0.005

(a) 30.754
(b) 31.515
(c) 30.614
(d) 31.225

31.515 is the solution
Option (b) is the right answer