7.8 Plus 78.5 Addition :

Number 1 Number 2 Answer
7.8 78.5 86.3

How to calculate 7.8 plus 78.5 ?

Let's break down the addition of 07.8 and 78.5 step by step:

   07.8      <-- Start with the rightmost column
+  78.5
---------

    Add the digits in the rightmost column:
        8 + 5 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   07.8
+  78.5
---------
     3


    Add the digits in the rightmost column:
        7 + 8 + 1 = 16
        Write down 6 in the rightmost column, carry over 1 to the next column.

   07.8
+  78.5
---------
     6.3


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

   07.8
+  78.5
---------
     86.3

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

The final result is 86.3.
So, 07.8 + 78.5 = 86.3

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