7.7 Plus 121.9 Addition :

Number 1 Number 2 Answer
7.7 121.9 129.6

How to calculate 7.7 plus 121.9 ?

Let's break down the addition of 007.7 and 121.9 step by step:

   007.7      <-- Start with the rightmost column
+  121.9
---------

    Add the digits in the rightmost column:
        7 + 9 + 1 = 16
        Write down 6 in the rightmost column, carry over 1 to the next column.

   007.7
+  121.9
---------
     6


    Add the digits in the rightmost column:
        7 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   007.7
+  121.9
---------
     9.6


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

   007.7
+  121.9
---------
     29.6


    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.

   007.7
+  121.9
---------
     129.6

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

The final result is 129.6.
So, 007.7 + 121.9 = 129.6

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