21.7 Plus 668 Addition :

Number 1 Number 2 Answer
21.7 668 689.7

How to calculate 21.7 plus 668 ?

Let's break down the addition of 021.7 and 66800 step by step:

   021.7      <-- Start with the rightmost column
+  66800
---------

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

   021.7
+  66800
---------
     7


    Add the digits in the rightmost column:
        1 + 8 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   021.7
+  66800
---------
     9.7


    Add the digits in the rightmost column:
        2 + 6 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   021.7
+  66800
---------
     89.7


    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.

   021.7
+  66800
---------
     689.7

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

The final result is 689.7.
So, 021.7 + 66800 = 689.7

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