80.5 Plus 129 Addition :

Number 1	Number 2	Answer
80.5	129	209.5

How to calculate 80.5 plus 129 ?

Let's break down the addition of 080.5 and 12900 step by step:

   080.5      <-- Start with the rightmost column
+  12900
---------

    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.

   080.5
+  12900
---------
     5


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

   080.5
+  12900
---------
     9.5


    Add the digits in the rightmost column:
        8 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   080.5
+  12900
---------
     09.5


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

   080.5
+  12900
---------
     209.5

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

The final result is 209.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
80.6	138	218.6	80.6 plus 138
80.7	144	224.7	80.7 plus 144
80.8	145	225.8	80.8 plus 145
8	6.1	14.1	8 plus 6.1
6.7	5.8	12.5	6.7 plus 5.8
6.2	1	7.2	6.2 plus 1