3 Plus 120.9 Addition :

Number 1	Number 2	Answer
3	120.9	123.9

How to calculate 3 plus 120.9 ?

Let's break down the addition of 00300 and 120.9 step by step:

   00300      <-- Start with the rightmost column
+  120.9
---------

    Add the digits in the rightmost column:
        0 + 9 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   00300
+  120.9
---------
     9


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

   00300
+  120.9
---------
     09


    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.

   00300
+  120.9
---------
     309


    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.

   00300
+  120.9
---------
     2309


    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.

   00300
+  120.9
---------
     12309

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

The final result is 12309.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
3.1	128.9	132	3.1 plus 128.9
3.2	135.9	139.1	3.2 plus 135.9
3.3	143.9	147.2	3.3 plus 143.9
9.6	4.3	13.9	9.6 plus 4.3
6.8	1.7	8.5	6.8 plus 1.7
6.7	7.7	14.4	6.7 plus 7.7