8.4 Plus 400.4 Addition :

Number 1	Number 2	Answer
8.4	400.4	408.8

How to calculate 8.4 plus 400.4 ?

Let's break down the addition of 008.4 and 400.4 step by step:

   008.4      <-- Start with the rightmost column
+  400.4
---------

    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.

   008.4
+  400.4
---------
     8


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

   008.4
+  400.4
---------
     8.8


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

   008.4
+  400.4
---------
     08.8


    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.

   008.4
+  400.4
---------
     408.8

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

The final result is 408.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	401.4	409.9	8.5 plus 401.4
8.6	408.4	417	8.6 plus 408.4
8.7	409.4	418.1	8.7 plus 409.4
6.9	9.1	16	6.9 plus 9.1
0.3	9	9.3	0.3 plus 9
4.5	8.5	13	4.5 plus 8.5