21.2 Plus 669 Addition :

Number 1	Number 2	Answer
21.2	669	690.2

How to calculate 21.2 plus 669 ?

Let's break down the addition of 021.2 and 66900 step by step:

   021.2      <-- Start with the rightmost column
+  66900
---------

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

   021.2
+  66900
---------
     2


    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   021.2
+  66900
---------
     0.2


    Add the digits in the rightmost column:
        2 + 6 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   021.2
+  66900
---------
     90.2


    Add the digits in the rightmost column:
        0 + 6 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   021.2
+  66900
---------
     690.2

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

The final result is 690.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.3	678	699.3	21.3 plus 678
21.4	683	704.4	21.4 plus 683
21.5	691	712.5	21.5 plus 691
8.3	3	11.3	8.3 plus 3
2	4.6	6.6	2 plus 4.6
8.4	9.4	17.8	8.4 plus 9.4