8.5 Plus 9 Addition :

Number 1	Number 2	Answer
8.5	9	17.5

How to calculate 8.5 plus 9 ?

Let's break down the addition of 8.5 and 900 step by step:

   8.5      <-- Start with the rightmost column
+  900
---------

    Add the digits in the rightmost column:
        5 + 0 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   8.5
+  900
---------
     5


    Add the digits in the rightmost column:
        8 + 9 + 1 = 17
        Write down 7 in the rightmost column, carry over 1 to the next column.

   8.5
+  900
---------
     7.5

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

The final result is 17.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.6	10	18.6	8.6 plus 10
8.7	14	22.7	8.7 plus 14
8.8	20	28.8	8.8 plus 20
9.3	1.4	10.7	9.3 plus 1.4
6.9	5.2	12.1	6.9 plus 5.2
8	7.8	15.8	8 plus 7.8