21.5 Plus 669 Addition :

Number 1	Number 2	Answer
21.5	669	690.5

How to calculate 21.5 plus 669 ?

Let's break down the addition of 021.5 and 66900 step by step:

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

    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.

   021.5
+  66900
---------
     5


    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.

   021.5
+  66900
---------
     0.5


    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.

   021.5
+  66900
---------
     90.5


    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.

   021.5
+  66900
---------
     690.5

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

The final result is 690.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.6	673	694.6	21.6 plus 673
21.7	676	697.7	21.7 plus 676
21.8	679	700.8	21.8 plus 679
5.8	8.5	14.3	5.8 plus 8.5
7.8	2.2	10	7.8 plus 2.2
4.2	3	7.2	4.2 plus 3