11.5 Plus 128.5 Addition :

Number 1 Number 2 Answer
11.5 128.5 140

How to calculate 11.5 plus 128.5 ?

Let's break down the addition of 011.5 and 128.5 step by step:

   011.5      <-- Start with the rightmost column
+  128.5
---------

    Add the digits in the rightmost column:
        5 + 5 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   011.5
+  128.5
---------
     0


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

   011.5
+  128.5
---------
     0.0


    Add the digits in the rightmost column:
        1 + 2 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   011.5
+  128.5
---------
     40.0


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

   011.5
+  128.5
---------
     140.0

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

The final result is 140.0.
So, 011.5 + 128.5 = 140.0

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