8.9 Plus 15 Addition :

Number 1	Number 2	Answer
8.9	15	23.9

How to calculate 8.9 plus 15 ?

Let's break down the addition of 08.9 and 1500 step by step:

   08.9      <-- Start with the rightmost column
+  1500
---------

    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
+  1500
---------
     9


    Add the digits in the rightmost column:
        8 + 5 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   08.9
+  1500
---------
     3.9


    Add the digits in the rightmost column:
        0 + 1 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   08.9
+  1500
---------
     23.9

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

The final result is 23.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9	20	29	9 plus 20
9.1	25	34.1	9.1 plus 25
9.2	34	43.2	9.2 plus 34
6.3	1.7	8	6.3 plus 1.7
2.2	6.6	8.8	2.2 plus 6.6
3.3	5.1	8.4	3.3 plus 5.1