8.4 Plus 422.9 Addition :

Number 1	Number 2	Answer
8.4	422.9	431.3

How to calculate 8.4 plus 422.9 ?

Let's break down the addition of 008.4 and 422.9 step by step:

   008.4      <-- Start with the rightmost column
+  422.9
---------

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

   008.4
+  422.9
---------
     3


    Add the digits in the rightmost column:
        8 + 2 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   008.4
+  422.9
---------
     1.3


    Add the digits in the rightmost column:
        0 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   008.4
+  422.9
---------
     31.3


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

   008.4
+  422.9
---------
     431.3

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

The final result is 431.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	425.9	434.4	8.5 plus 425.9
8.6	432.9	441.5	8.6 plus 432.9
8.7	438.9	447.6	8.7 plus 438.9
9.7	4	13.7	9.7 plus 4
5.4	4	9.4	5.4 plus 4
7	3.3	10.3	7 plus 3.3