8.4 Plus 400.9 Addition :

Number 1	Number 2	Answer
8.4	400.9	409.3

How to calculate 8.4 plus 400.9 ?

Let's break down the addition of 008.4 and 400.9 step by step:

   008.4      <-- Start with the rightmost column
+  400.9
---------

    Add the digits in the rightmost column:
        4 + 9 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   008.4
+  400.9
---------
     3


    Add the digits in the rightmost column:
        8 + 0 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   008.4
+  400.9
---------
     9.3


    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
+  400.9
---------
     09.3


    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
+  400.9
---------
     409.3

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

The final result is 409.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	401.9	410.4	8.5 plus 401.9
8.6	405.9	414.5	8.6 plus 405.9
8.7	406.9	415.6	8.7 plus 406.9
7.1	5.5	12.6	7.1 plus 5.5
2.4	8.4	10.8	2.4 plus 8.4
0.6	5.4	6	0.6 plus 5.4