8.4 Plus 1 Addition :

Number 1	Number 2	Answer
8.4	1	9.4

How to calculate 8.4 plus 1 ?

Let's break down the addition of 8.4 and 100 step by step:

   8.4      <-- Start with the rightmost column
+  100
---------

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

   8.4
+  100
---------
     4


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   8.4
+  100
---------
     9.4

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

The final result is 9.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	7	15.5	8.5 plus 7
8.6	9	17.6	8.6 plus 9
8.7	12	20.7	8.7 plus 12
6.1	8.5	14.6	6.1 plus 8.5
0.4	9.3	9.7	0.4 plus 9.3
5.2	1.1	6.3	5.2 plus 1.1