8.4 Plus 397 Addition :

Number 1	Number 2	Answer
8.4	397	405.4

How to calculate 8.4 plus 397 ?

Let's break down the addition of 008.4 and 39700 step by step:

   008.4      <-- Start with the rightmost column
+  39700
---------

    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
+  39700
---------
     4


    Add the digits in the rightmost column:
        8 + 7 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   008.4
+  39700
---------
     5.4


    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
+  39700
---------
     05.4


    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
+  39700
---------
     405.4

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

The final result is 405.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	406	414.5	8.5 plus 406
8.6	407	415.6	8.6 plus 407
8.7	416	424.7	8.7 plus 416
9.1	2.4	11.5	9.1 plus 2.4
6.2	9.9	16.1	6.2 plus 9.9
8.2	2.2	10.4	8.2 plus 2.2