7.8 Plus 20.4 Addition :

Number 1	Number 2	Answer
7.8	20.4	28.2

How to calculate 7.8 plus 20.4 ?

Let's break down the addition of 07.8 and 20.4 step by step:

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

    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.

   07.8
+  20.4
---------
     2


    Add the digits in the rightmost column:
        7 + 0 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   07.8
+  20.4
---------
     8.2


    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.

   07.8
+  20.4
---------
     28.2

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

The final result is 28.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.9	23.4	31.3	7.9 plus 23.4
8	28.4	36.4	8 plus 28.4
8.1	29.4	37.5	8.1 plus 29.4
4.7	1.1	5.8	4.7 plus 1.1
5.1	2.6	7.7	5.1 plus 2.6
1	7.3	8.3	1 plus 7.3