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	16	25	9 plus 16
9.1	25	34.1	9.1 plus 25
9.2	30	39.2	9.2 plus 30
7.7	9	16.7	7.7 plus 9
4.9	8.2	13.1	4.9 plus 8.2
0.6	0.7	1.3	0.6 plus 0.7