12.4 Plus 397 Addition :

Number 1	Number 2	Answer
12.4	397	409.4

How to calculate 12.4 plus 397 ?

Let's break down the addition of 012.4 and 39700 step by step:

   012.4      <-- 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.

   012.4
+  39700
---------
     4


    Add the digits in the rightmost column:
        2 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   012.4
+  39700
---------
     9.4


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

   012.4
+  39700
---------
     09.4


    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.

   012.4
+  39700
---------
     409.4

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

The final result is 409.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.5	400	412.5	12.5 plus 400
12.6	407	419.6	12.6 plus 407
12.7	415	427.7	12.7 plus 415
3.9	2.3	6.2	3.9 plus 2.3
0.2	1.4	1.6	0.2 plus 1.4
6	5.3	11.3	6 plus 5.3