21.4 Plus 669 Addition :

Number 1	Number 2	Answer
21.4	669	690.4

How to calculate 21.4 plus 669 ?

Let's break down the addition of 021.4 and 66900 step by step:

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

    Add the digits in the rightmost column:
        4 + 0 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   021.4
+  66900
---------
     4


    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.

   021.4
+  66900
---------
     0.4


    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.

   021.4
+  66900
---------
     90.4


    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.

   021.4
+  66900
---------
     690.4

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

The final result is 690.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.5	670	691.5	21.5 plus 670
21.6	677	698.6	21.6 plus 677
21.7	684	705.7	21.7 plus 684
1.6	3.3	4.9	1.6 plus 3.3
3	1.5	4.5	3 plus 1.5
8	8.9	16.9	8 plus 8.9