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	128	138	10 plus 128
10.1	137	147.1	10.1 plus 137
10.2	138	148.2	10.2 plus 138
7.8	1.3	9.1	7.8 plus 1.3
6.8	8.9	15.7	6.8 plus 8.9
8.7	9.1	17.8	8.7 plus 9.1