8.4 Plus 12 Addition :

Number 1	Number 2	Answer
8.4	12	20.4

How to calculate 8.4 plus 12 ?

Let's break down the addition of 08.4 and 1200 step by step:

   08.4      <-- 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.

   08.4
+  1200
---------
     4


    Add the digits in the rightmost column:
        8 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   08.4
+  1200
---------
     0.4


    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.

   08.4
+  1200
---------
     20.4

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

The final result is 20.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	14	22.5	8.5 plus 14
8.6	19	27.6	8.6 plus 19
8.7	24	32.7	8.7 plus 24
8.6	5.2	13.8	8.6 plus 5.2
5.9	3.4	9.3	5.9 plus 3.4
9	3.7	12.7	9 plus 3.7