2.8 Plus 40 Addition :

Number 1	Number 2	Answer
2.8	40	42.8

How to calculate 2.8 plus 40 ?

Let's break down the addition of 02.8 and 4000 step by step:

   02.8      <-- Start with the rightmost column
+  4000
---------

    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.

   02.8
+  4000
---------
     8


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

   02.8
+  4000
---------
     2.8


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

   02.8
+  4000
---------
     42.8

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

The final result is 42.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
2.9	42	44.9	2.9 plus 42
3	50	53	3 plus 50
3.1	54	57.1	3.1 plus 54
0.2	5.9	6.1	0.2 plus 5.9
8	7	15	8 plus 7
2.3	7.5	9.8	2.3 plus 7.5