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	6	8.9	2.9 plus 6
3	15	18	3 plus 15
3.1	17	20.1	3.1 plus 17
5.3	6	11.3	5.3 plus 6
7	5.7	12.7	7 plus 5.7
1.5	9.2	10.7	1.5 plus 9.2