17.7 Plus 420.6 Addition :

Number 1 Number 2 Answer
17.7 420.6 438.3

How to calculate 17.7 plus 420.6 ?

Let's break down the addition of 017.7 and 420.6 step by step:

   017.7      <-- Start with the rightmost column
+  420.6
---------

    Add the digits in the rightmost column:
        7 + 6 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   017.7
+  420.6
---------
     3


    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.

   017.7
+  420.6
---------
     8.3


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   017.7
+  420.6
---------
     38.3


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

   017.7
+  420.6
---------
     438.3

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

The final result is 438.3.
So, 017.7 + 420.6 = 438.3

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