10 Plus 20.9 Addition :

Number 1	Number 2	Answer
10	20.9	30.9

How to calculate 10 plus 20.9 ?

Let's break down the addition of 1000 and 20.9 step by step:

   1000      <-- Start with the rightmost column
+  20.9
---------

    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.

   1000
+  20.9
---------
     9


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

   1000
+  20.9
---------
     09


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

   1000
+  20.9
---------
     009


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   1000
+  20.9
---------
     3009

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

The final result is 3009.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10.1	27.9	38	10.1 plus 27.9
10.2	30.9	41.1	10.2 plus 30.9
10.3	34.9	45.2	10.3 plus 34.9
2.1	4.8	6.9	2.1 plus 4.8
8	7.6	15.6	8 plus 7.6
2.1	9.1	11.2	2.1 plus 9.1