8.5 Plus 1 Addition :

Number 1	Number 2	Answer
8.5	1	9.5

How to calculate 8.5 plus 1 ?

Let's break down the addition of 8.5 and 100 step by step:

   8.5      <-- Start with the rightmost column
+  100
---------

    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
+  100
---------
     5


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   8.5
+  100
---------
     9.5

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

The final result is 9.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.6	4	12.6	8.6 plus 4
8.7	8	16.7	8.7 plus 8
8.8	12	20.8	8.8 plus 12
6.9	8.8	15.7	6.9 plus 8.8
5.3	2.1	7.4	5.3 plus 2.1
3.8	7.8	11.6	3.8 plus 7.8