8.9 Plus 31 Addition :

Number 1	Number 2	Answer
8.9	31	39.9

How to calculate 8.9 plus 31 ?

Let's break down the addition of 08.9 and 3100 step by step:

   08.9      <-- Start with the rightmost column
+  3100
---------

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

   08.9
+  3100
---------
     9


    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.

   08.9
+  3100
---------
     9.9


    Add the digits in the rightmost column:
        0 + 3 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   08.9
+  3100
---------
     39.9

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

The final result is 39.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9	33	42	9 plus 33
9.1	41	50.1	9.1 plus 41
9.2	44	53.2	9.2 plus 44
3.3	8	11.3	3.3 plus 8
1.6	6	7.6	1.6 plus 6
3.3	2.9	6.2	3.3 plus 2.9