8.4 Plus 394 Addition :

Number 1	Number 2	Answer
8.4	394	402.4

How to calculate 8.4 plus 394 ?

Let's break down the addition of 008.4 and 39400 step by step:

   008.4      <-- Start with the rightmost column
+  39400
---------

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

   008.4
+  39400
---------
     4


    Add the digits in the rightmost column:
        8 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   008.4
+  39400
---------
     2.4


    Add the digits in the rightmost column:
        0 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   008.4
+  39400
---------
     02.4


    Add the digits in the rightmost column:
        0 + 3 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   008.4
+  39400
---------
     402.4

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

The final result is 402.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	400	408.5	8.5 plus 400
8.6	404	412.6	8.6 plus 404
8.7	407	415.7	8.7 plus 407
0.2	9.3	9.5	0.2 plus 9.3
3.4	1.6	5	3.4 plus 1.6
4	7	11	4 plus 7