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	403	411.5	8.5 plus 403
8.6	404	412.6	8.6 plus 404
8.7	413	421.7	8.7 plus 413
1.7	9.5	11.2	1.7 plus 9.5
8.8	8.4	17.2	8.8 plus 8.4
4.4	1.4	5.8	4.4 plus 1.4