7.7 Plus 80.9 Addition :

Number 1 Number 2 Answer
7.7 80.9 88.6

How to calculate 7.7 plus 80.9 ?

Let's break down the addition of 07.7 and 80.9 step by step:

   07.7      <-- Start with the rightmost column
+  80.9
---------

    Add the digits in the rightmost column:
        7 + 9 + 1 = 16
        Write down 6 in the rightmost column, carry over 1 to the next column.

   07.7
+  80.9
---------
     6


    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.

   07.7
+  80.9
---------
     8.6


    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.

   07.7
+  80.9
---------
     88.6

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

The final result is 88.6.
So, 07.7 + 80.9 = 88.6

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