21.7 Plus 684 Addition :

Number 1 Number 2 Answer
21.7 684 705.7

How to calculate 21.7 plus 684 ?

Let's break down the addition of 021.7 and 68400 step by step:

   021.7      <-- Start with the rightmost column
+  68400
---------

    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
+  68400
---------
     7


    Add the digits in the rightmost column:
        1 + 4 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   021.7
+  68400
---------
     5.7


    Add the digits in the rightmost column:
        2 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   021.7
+  68400
---------
     05.7


    Add the digits in the rightmost column:
        0 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   021.7
+  68400
---------
     705.7

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

The final result is 705.7.
So, 021.7 + 68400 = 705.7

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