80.4 Plus 42 Addition :

Number 1	Number 2	Answer
80.4	42	122.4

How to calculate 80.4 plus 42 ?

Let's break down the addition of 80.4 and 4200 step by step:

   80.4      <-- Start with the rightmost column
+  4200
---------

    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.

   80.4
+  4200
---------
     4


    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.

   80.4
+  4200
---------
     2.4


    Add the digits in the rightmost column:
        8 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   80.4
+  4200
---------
     22.4

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

The final result is 122.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
80.5	44	124.5	80.5 plus 44
80.6	51	131.6	80.6 plus 51
80.7	57	137.7	80.7 plus 57
2.6	3.6	6.2	2.6 plus 3.6
6.4	2.4	8.8	6.4 plus 2.4
6.4	7.2	13.6	6.4 plus 7.2