8.5 Plus 4 Addition :

Number 1	Number 2	Answer
8.5	4	12.5

How to calculate 8.5 plus 4 ?

Let's break down the addition of 8.5 and 400 step by step:

   8.5      <-- Start with the rightmost column
+  400
---------

    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
+  400
---------
     5


    Add the digits in the rightmost column:
        8 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   8.5
+  400
---------
     2.5

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

The final result is 12.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.6	7	15.6	8.6 plus 7
8.7	10	18.7	8.7 plus 10
8.8	17	25.8	8.8 plus 17
1.7	8.9	10.6	1.7 plus 8.9
7.7	6.8	14.5	7.7 plus 6.8
3.4	7	10.4	3.4 plus 7