12.7 Plus 258.2 Addition :

Number 1	Number 2	Answer
12.7	258.2	270.9

How to calculate 12.7 plus 258.2 ?

Let's break down the addition of 012.7 and 258.2 step by step:

   012.7      <-- Start with the rightmost column
+  258.2
---------

    Add the digits in the rightmost column:
        7 + 2 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   012.7
+  258.2
---------
     9


    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.

   012.7
+  258.2
---------
     0.9


    Add the digits in the rightmost column:
        1 + 5 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   012.7
+  258.2
---------
     70.9


    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.

   012.7
+  258.2
---------
     270.9

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

The final result is 270.9.

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12.8	264.2	277	12.8 plus 264.2
12.9	266.2	279.1	12.9 plus 266.2
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8.2	2.3	10.5	8.2 plus 2.3
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