18.4 Plus 420.4 Addition :

Number 1	Number 2	Answer
18.4	420.4	438.8

How to calculate 18.4 plus 420.4 ?

Let's break down the addition of 018.4 and 420.4 step by step:

   018.4      <-- Start with the rightmost column
+  420.4
---------

    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.

   018.4
+  420.4
---------
     8


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

   018.4
+  420.4
---------
     8.8


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   018.4
+  420.4
---------
     38.8


    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.

   018.4
+  420.4
---------
     438.8

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

The final result is 438.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
18.5	427.4	445.9	18.5 plus 427.4
18.6	429.4	448	18.6 plus 429.4
18.7	436.4	455.1	18.7 plus 436.4
1.8	2.5	4.3	1.8 plus 2.5
2.8	3.9	6.7	2.8 plus 3.9
1.1	6	7.1	1.1 plus 6