20.4 Plus 489.4 Addition :

Number 1	Number 2	Answer
20.4	489.4	509.8

How to calculate 20.4 plus 489.4 ?

Let's break down the addition of 020.4 and 489.4 step by step:

   020.4      <-- Start with the rightmost column
+  489.4
---------

    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.

   020.4
+  489.4
---------
     8


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

   020.4
+  489.4
---------
     9.8


    Add the digits in the rightmost column:
        2 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   020.4
+  489.4
---------
     09.8


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

   020.4
+  489.4
---------
     509.8

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

The final result is 509.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	496.4	516.9	20.5 plus 496.4
20.6	504.4	525	20.6 plus 504.4
20.7	512.4	533.1	20.7 plus 512.4
5.3	5	10.3	5.3 plus 5
7.1	1.7	8.8	7.1 plus 1.7
4.5	2.9	7.4	4.5 plus 2.9