8.4 Plus 2 Addition :

Number 1	Number 2	Answer
8.4	2	10.4

How to calculate 8.4 plus 2 ?

Let's break down the addition of 8.4 and 200 step by step:

   8.4      <-- Start with the rightmost column
+  200
---------

    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.

   8.4
+  200
---------
     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.

   8.4
+  200
---------
     0.4

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

The final result is 10.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	8	16.5	8.5 plus 8
8.6	13	21.6	8.6 plus 13
8.7	20	28.7	8.7 plus 20
0.7	4.4	5.1	0.7 plus 4.4
9.6	5	14.6	9.6 plus 5
9.3	3.1	12.4	9.3 plus 3.1