20.5 Plus 78 Addition :

Number 1 Number 2 Answer
20.5 78 98.5

How to calculate 20.5 plus 78 ?

Let's break down the addition of 20.5 and 7800 step by step:

   20.5      <-- Start with the rightmost column
+  7800
---------

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

   20.5
+  7800
---------
     5


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

   20.5
+  7800
---------
     8.5


    Add the digits in the rightmost column:
        2 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   20.5
+  7800
---------
     98.5

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

The final result is 98.5.
So, 20.5 + 7800 = 98.5

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