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	401	409.5	8.5 plus 401
8.6	407	415.6	8.6 plus 407
8.7	410	418.7	8.7 plus 410
2.6	1	3.6	2.6 plus 1
3.5	8.1	11.6	3.5 plus 8.1
7.7	6.5	14.2	7.7 plus 6.5