12.9 Plus 389.4 Addition :

Number 1	Number 2	Answer
12.9	389.4	402.3

How to calculate 12.9 plus 389.4 ?

Let's break down the addition of 012.9 and 389.4 step by step:

   012.9      <-- Start with the rightmost column
+  389.4
---------

    Add the digits in the rightmost column:
        9 + 4 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   012.9
+  389.4
---------
     3


    Add the digits in the rightmost column:
        2 + 9 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   012.9
+  389.4
---------
     2.3


    Add the digits in the rightmost column:
        1 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   012.9
+  389.4
---------
     02.3


    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.

   012.9
+  389.4
---------
     402.3

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

The final result is 402.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
13	397.4	410.4	13 plus 397.4
13.1	404.4	417.5	13.1 plus 404.4
13.2	413.4	426.6	13.2 plus 413.4
4	4.1	8.1	4 plus 4.1
7	6.2	13.2	7 plus 6.2
8	7.1	15.1	8 plus 7.1