3.9 Plus 13 Addition :

Number 1	Number 2	Answer
3.9	13	16.9

How to calculate 3.9 plus 13 ?

Let's break down the addition of 03.9 and 1300 step by step:

   03.9      <-- Start with the rightmost column
+  1300
---------

    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.

   03.9
+  1300
---------
     9


    Add the digits in the rightmost column:
        3 + 3 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   03.9
+  1300
---------
     6.9


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

   03.9
+  1300
---------
     16.9

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

The final result is 16.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4	22	26	4 plus 22
4.1	29	33.1	4.1 plus 29
4.2	33	37.2	4.2 plus 33
4.6	3.9	8.5	4.6 plus 3.9
0.6	6.4	7	0.6 plus 6.4
2.1	9.9	12	2.1 plus 9.9