12.8 Plus 42 Addition :

Number 1	Number 2	Answer
12.8	42	54.8

How to calculate 12.8 plus 42 ?

Let's break down the addition of 12.8 and 4200 step by step:

   12.8      <-- Start with the rightmost column
+  4200
---------

    Add the digits in the rightmost column:
        8 + 0 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   12.8
+  4200
---------
     8


    Add the digits in the rightmost column:
        2 + 2 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   12.8
+  4200
---------
     4.8


    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.

   12.8
+  4200
---------
     54.8

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

The final result is 54.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.9	43	55.9	12.9 plus 43
13	48	61	13 plus 48
13.1	55	68.1	13.1 plus 55
1.3	1.9	3.2	1.3 plus 1.9
9.6	1	10.6	9.6 plus 1
1.2	4.8	6	1.2 plus 4.8