8.4 Plus 421.4 Addition :

Number 1	Number 2	Answer
8.4	421.4	429.8

How to calculate 8.4 plus 421.4 ?

Let's break down the addition of 008.4 and 421.4 step by step:

   008.4      <-- Start with the rightmost column
+  421.4
---------

    Add the digits in the rightmost column:
        4 + 4 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   008.4
+  421.4
---------
     8


    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.

   008.4
+  421.4
---------
     9.8


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

   008.4
+  421.4
---------
     29.8


    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
+  421.4
---------
     429.8

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

The final result is 429.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.5	428.4	436.9	8.5 plus 428.4
8.6	435.4	444	8.6 plus 435.4
8.7	442.4	451.1	8.7 plus 442.4
0.5	5.7	6.2	0.5 plus 5.7
8.2	4	12.2	8.2 plus 4
5.5	2.6	8.1	5.5 plus 2.6