6.9 Plus 15 Addition :

Number 1	Number 2	Answer
6.9	15	21.9

How to calculate 6.9 plus 15 ?

Let's break down the addition of 06.9 and 1500 step by step:

   06.9      <-- 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.

   06.9
+  1500
---------
     9


    Add the digits in the rightmost column:
        6 + 5 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   06.9
+  1500
---------
     1.9


    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.

   06.9
+  1500
---------
     21.9

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

The final result is 21.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7	24	31	7 plus 24
7.1	32	39.1	7.1 plus 32
7.2	36	43.2	7.2 plus 36
6.2	8.5	14.7	6.2 plus 8.5
2.3	7	9.3	2.3 plus 7
0.3	3.8	4.1	0.3 plus 3.8