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	39	48	9 plus 39
9.1	44	53.1	9.1 plus 44
9.2	46	55.2	9.2 plus 46
3.6	9.7	13.3	3.6 plus 9.7
4.8	6.6	11.4	4.8 plus 6.6
7.8	3.9	11.7	7.8 plus 3.9