9.9 Plus 120 Addition :

Number 1	Number 2	Answer
9.9	120	129.9

How to calculate 9.9 plus 120 ?

Let's break down the addition of 009.9 and 12000 step by step:

   009.9      <-- 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.

   009.9
+  12000
---------
     9


    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.

   009.9
+  12000
---------
     9.9


    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.

   009.9
+  12000
---------
     29.9


    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.

   009.9
+  12000
---------
     129.9

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

The final result is 129.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	124	134	10 plus 124
10.1	127	137.1	10.1 plus 127
10.2	130	140.2	10.2 plus 130
9.5	0.3	9.8	9.5 plus 0.3
3.4	8.7	12.1	3.4 plus 8.7
6.8	4	10.8	6.8 plus 4