12.9 Plus 45 Addition :

Number 1	Number 2	Answer
12.9	45	57.9

How to calculate 12.9 plus 45 ?

Let's break down the addition of 12.9 and 4500 step by step:

   12.9      <-- Start with the rightmost column
+  4500
---------

    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.

   12.9
+  4500
---------
     9


    Add the digits in the rightmost column:
        2 + 5 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   12.9
+  4500
---------
     7.9


    Add the digits in the rightmost column:
        1 + 4 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   12.9
+  4500
---------
     57.9

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

The final result is 57.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
13	53	66	13 plus 53
13.1	56	69.1	13.1 plus 56
13.2	60	73.2	13.2 plus 60
3.2	3	6.2	3.2 plus 3
8.5	0.6	9.1	8.5 plus 0.6
2.3	5.5	7.8	2.3 plus 5.5