20.4 Plus 80 Addition :

Number 1	Number 2	Answer
20.4	80	100.4

How to calculate 20.4 plus 80 ?

Let's break down the addition of 20.4 and 8000 step by step:

   20.4      <-- Start with the rightmost column
+  8000
---------

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

   20.4
+  8000
---------
     4


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

   20.4
+  8000
---------
     0.4


    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.

   20.4
+  8000
---------
     00.4

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

The final result is 100.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
20.5	87	107.5	20.5 plus 87
20.6	89	109.6	20.6 plus 89
20.7	98	118.7	20.7 plus 98
1	4.2	5.2	1 plus 4.2
5	7.8	12.8	5 plus 7.8
9.2	1.9	11.1	9.2 plus 1.9