20.4 Plus 408.4 Addition :

Number 1	Number 2	Answer
20.4	408.4	428.8

How to calculate 20.4 plus 408.4 ?

Let's break down the addition of 020.4 and 408.4 step by step:

   020.4      <-- Start with the rightmost column
+  408.4
---------

    Add the digits in the rightmost column:
        4 + 4 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   020.4
+  408.4
---------
     8


    Add the digits in the rightmost column:
        0 + 8 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   020.4
+  408.4
---------
     8.8


    Add the digits in the rightmost column:
        2 + 0 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   020.4
+  408.4
---------
     28.8


    Add the digits in the rightmost column:
        0 + 4 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   020.4
+  408.4
---------
     428.8

    Continue to the left:
        There are no more columns to the left.

The final result is 428.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	412.4	432.9	20.5 plus 412.4
20.6	421.4	442	20.6 plus 421.4
20.7	428.4	449.1	20.7 plus 428.4
4.4	9	13.4	4.4 plus 9
7.5	2	9.5	7.5 plus 2
2.5	4.1	6.6	2.5 plus 4.1