77.7 Plus 428 Addition :

Number 1 Number 2 Answer
77.7 428 505.7

How to calculate 77.7 plus 428 ?

Let's break down the addition of 077.7 and 42800 step by step:

   077.7      <-- Start with the rightmost column
+  42800
---------

    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.

   077.7
+  42800
---------
     7


    Add the digits in the rightmost column:
        7 + 8 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   077.7
+  42800
---------
     5.7


    Add the digits in the rightmost column:
        7 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   077.7
+  42800
---------
     05.7


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

   077.7
+  42800
---------
     505.7

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

The final result is 505.7.
So, 077.7 + 42800 = 505.7

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