0.4 Plus 12 Addition :

Number 1	Number 2	Answer
0.4	12	12.4

How to calculate 0.4 plus 12 ?

Let's break down the addition of 00.4 and 1200 step by step:

   00.4      <-- Start with the rightmost column
+  1200
---------

    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.

   00.4
+  1200
---------
     4


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

   00.4
+  1200
---------
     2.4


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

   00.4
+  1200
---------
     12.4

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

The final result is 12.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
0.5	21	21.5	0.5 plus 21
0.6	24	24.6	0.6 plus 24
0.7	32	32.7	0.7 plus 32
5.7	4.6	10.3	5.7 plus 4.6
5	4	9	5 plus 4
7.4	2.3	9.7	7.4 plus 2.3