16.4 Plus 421.9 Addition :

Number 1	Number 2	Answer
16.4	421.9	438.3

How to calculate 16.4 plus 421.9 ?

Let's break down the addition of 016.4 and 421.9 step by step:

   016.4      <-- Start with the rightmost column
+  421.9
---------

    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.

   016.4
+  421.9
---------
     3


    Add the digits in the rightmost column:
        6 + 1 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   016.4
+  421.9
---------
     8.3


    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.

   016.4
+  421.9
---------
     38.3


    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.

   016.4
+  421.9
---------
     438.3

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

The final result is 438.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
16.5	425.9	442.4	16.5 plus 425.9
16.6	434.9	451.5	16.6 plus 434.9
16.7	443.9	460.6	16.7 plus 443.9
7.3	6.8	14.1	7.3 plus 6.8
7.3	1	8.3	7.3 plus 1
4.8	4.9	9.7	4.8 plus 4.9