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	11	13.9	2.9 plus 11
3	15	18	3 plus 15
3.1	16	19.1	3.1 plus 16
7.2	8	15.2	7.2 plus 8
3.9	5.2	9.1	3.9 plus 5.2
2.2	3	5.2	2.2 plus 3