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	17	21	4 plus 17
4.1	22	26.1	4.1 plus 22
4.2	31	35.2	4.2 plus 31
7	4.9	11.9	7 plus 4.9
4.1	5.1	9.2	4.1 plus 5.1
8.6	7.9	16.5	8.6 plus 7.9