4.5 Plus 8.4 Addition :

Number 1	Number 2	Answer
4.5	8.4	12.9

How to calculate 4.5 plus 8.4 ?

Let's break down the addition of 4.5 and 8.4 step by step:

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

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

   4.5
+  8.4
---------
     9


    Add the digits in the rightmost column:
        4 + 8 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   4.5
+  8.4
---------
     2.9

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

The final result is 12.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.6	12.4	17	4.6 plus 12.4
4.7	21.4	26.1	4.7 plus 21.4
4.8	26.4	31.2	4.8 plus 26.4
3	8.3	11.3	3 plus 8.3
8.4	3.7	12.1	8.4 plus 3.7
8.5	8.3	16.8	8.5 plus 8.3