9 Plus 12.4 Addition :

Number 1	Number 2	Answer
9	12.4	21.4

How to calculate 9 plus 12.4 ?

Let's break down the addition of 0900 and 12.4 step by step:

   0900      <-- Start with the rightmost column
+  12.4
---------

    Add the digits in the rightmost column:
        0 + 4 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   0900
+  12.4
---------
     4


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

   0900
+  12.4
---------
     04


    Add the digits in the rightmost column:
        9 + 2 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   0900
+  12.4
---------
     104


    Add the digits in the rightmost column:
        0 + 1 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   0900
+  12.4
---------
     2104

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

The final result is 2104.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9.1	14.4	23.5	9.1 plus 14.4
9.2	16.4	25.6	9.2 plus 16.4
9.3	21.4	30.7	9.3 plus 21.4
6.8	6	12.8	6.8 plus 6
6.5	8.4	14.9	6.5 plus 8.4
7.4	8.6	16	7.4 plus 8.6