21.3 Plus 684 Addition :

Number 1	Number 2	Answer
21.3	684	705.3

How to calculate 21.3 plus 684 ?

Let's break down the addition of 021.3 and 68400 step by step:

   021.3      <-- Start with the rightmost column
+  68400
---------

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

   021.3
+  68400
---------
     3


    Add the digits in the rightmost column:
        1 + 4 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   021.3
+  68400
---------
     5.3


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

   021.3
+  68400
---------
     05.3


    Add the digits in the rightmost column:
        0 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   021.3
+  68400
---------
     705.3

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

The final result is 705.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.4	688	709.4	21.4 plus 688
21.5	692	713.5	21.5 plus 692
21.6	701	722.6	21.6 plus 701
9	6.7	15.7	9 plus 6.7
3.4	2.9	6.3	3.4 plus 2.9
7.5	6	13.5	7.5 plus 6