12.5 Plus 509 Addition :

Number 1	Number 2	Answer
12.5	509	521.5

How to calculate 12.5 plus 509 ?

Let's break down the addition of 012.5 and 50900 step by step:

   012.5      <-- Start with the rightmost column
+  50900
---------

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

   012.5
+  50900
---------
     5


    Add the digits in the rightmost column:
        2 + 9 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   012.5
+  50900
---------
     1.5


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

   012.5
+  50900
---------
     21.5


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

   012.5
+  50900
---------
     521.5

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

The final result is 521.5.

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Number 1	Number 2	ANSWER:	HOW TO ?
12.6	518	530.6	12.6 plus 518
12.7	522	534.7	12.7 plus 522
12.8	523	535.8	12.8 plus 523
3.8	0.6	4.4	3.8 plus 0.6
0.7	3.1	3.8	0.7 plus 3.1
7.6	3.8	11.4	7.6 plus 3.8