18.9 Plus 659.8 Addition :

Number 1 Number 2 Answer
18.9 659.8 678.7

How to calculate 18.9 plus 659.8 ?

Let's break down the addition of 018.9 and 659.8 step by step:

   018.9      <-- Start with the rightmost column
+  659.8
---------

    Add the digits in the rightmost column:
        9 + 8 + 1 = 17
        Write down 7 in the rightmost column, carry over 1 to the next column.

   018.9
+  659.8
---------
     7


    Add the digits in the rightmost column:
        8 + 9 + 1 = 18
        Write down 8 in the rightmost column, carry over 1 to the next column.

   018.9
+  659.8
---------
     8.7


    Add the digits in the rightmost column:
        1 + 5 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   018.9
+  659.8
---------
     78.7


    Add the digits in the rightmost column:
        0 + 6 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   018.9
+  659.8
---------
     678.7

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

The final result is 678.7.
So, 018.9 + 659.8 = 678.7

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