2.8 Plus 4 Addition :

Number 1	Number 2	Answer
2.8	4	6.8

How to calculate 2.8 plus 4 ?

Let's break down the addition of 2.8 and 400 step by step:

   2.8      <-- Start with the rightmost column
+  400
---------

    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.

   2.8
+  400
---------
     8


    Add the digits in the rightmost column:
        2 + 4 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   2.8
+  400
---------
     6.8

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

The final result is 6.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
2.9	8	10.9	2.9 plus 8
3	13	16	3 plus 13
3.1	18	21.1	3.1 plus 18
8.3	3.6	11.9	8.3 plus 3.6
2	5.6	7.6	2 plus 5.6
5.7	8.1	13.8	5.7 plus 8.1