3.9 Plus 120 Addition :

Number 1	Number 2	Answer
3.9	120	123.9

How to calculate 3.9 plus 120 ?

Let's break down the addition of 003.9 and 12000 step by step:

   003.9      <-- Start with the rightmost column
+  12000
---------

    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.

   003.9
+  12000
---------
     9


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

   003.9
+  12000
---------
     3.9


    Add the digits in the rightmost column:
        0 + 2 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   003.9
+  12000
---------
     23.9


    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.

   003.9
+  12000
---------
     123.9

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

The final result is 123.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4	129	133	4 plus 129
4.1	132	136.1	4.1 plus 132
4.2	137	141.2	4.2 plus 137
7	4	11	7 plus 4
5.2	3.1	8.3	5.2 plus 3.1
5	7.5	12.5	5 plus 7.5