9.8 Plus 4 Addition :

Number 1	Number 2	Answer
9.8	4	13.8

How to calculate 9.8 plus 4 ?

Let's break down the addition of 9.8 and 400 step by step:

   9.8      <-- 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.

   9.8
+  400
---------
     8


    Add the digits in the rightmost column:
        9 + 4 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   9.8
+  400
---------
     3.8

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

The final result is 13.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9.9	5	14.9	9.9 plus 5
10	6	16	10 plus 6
10.1	9	19.1	10.1 plus 9
5	2.5	7.5	5 plus 2.5
6.8	4	10.8	6.8 plus 4
6.8	7.8	14.6	6.8 plus 7.8