8.4 Plus 8.9 Addition :

Number 1	Number 2	Answer
8.4	8.9	17.3

How to calculate 8.4 plus 8.9 ?

Let's break down the addition of 8.4 and 8.9 step by step:

   8.4      <-- Start with the rightmost column
+  8.9
---------

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

   8.4
+  8.9
---------
     3


    Add the digits in the rightmost column:
        8 + 8 + 1 = 17
        Write down 7 in the rightmost column, carry over 1 to the next column.

   8.4
+  8.9
---------
     7.3

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

The final result is 17.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	16.9	25.4	8.5 plus 16.9
8.6	17.9	26.5	8.6 plus 17.9
8.7	21.9	30.6	8.7 plus 21.9
2	1.7	3.7	2 plus 1.7
6.7	5.4	12.1	6.7 plus 5.4
6.3	6	12.3	6.3 plus 6