8.4 Plus 1.5 Addition :

Number 1	Number 2	Answer
8.4	1.5	9.9

How to calculate 8.4 plus 1.5 ?

Let's break down the addition of 8.4 and 1.5 step by step:

   8.4      <-- Start with the rightmost column
+  1.5
---------

    Add the digits in the rightmost column:
        4 + 5 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   8.4
+  1.5
---------
     9


    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
+  1.5
---------
     9.9

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

The final result is 9.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	3.5	12	8.5 plus 3.5
8.6	6.5	15.1	8.6 plus 6.5
8.7	7.5	16.2	8.7 plus 7.5
4.7	3.5	8.2	4.7 plus 3.5
3.3	9.2	12.5	3.3 plus 9.2
7.6	4	11.6	7.6 plus 4