9.9 Plus 15.9 Addition :

Number 1	Number 2	Answer
9.9	15.9	25.8

How to calculate 9.9 plus 15.9 ?

Let's break down the addition of 09.9 and 15.9 step by step:

   09.9      <-- Start with the rightmost column
+  15.9
---------

    Add the digits in the rightmost column:
        9 + 9 + 1 = 18
        Write down 8 in the rightmost column, carry over 1 to the next column.

   09.9
+  15.9
---------
     8


    Add the digits in the rightmost column:
        9 + 5 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   09.9
+  15.9
---------
     5.8


    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.

   09.9
+  15.9
---------
     25.8

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

The final result is 25.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	16.9	26.9	10 plus 16.9
10.1	24.9	35	10.1 plus 24.9
10.2	30.9	41.1	10.2 plus 30.9
6.5	3.8	10.3	6.5 plus 3.8
3.4	1.4	4.8	3.4 plus 1.4
3	3	6	3 plus 3