10.4 Plus 664 Addition :

Number 1	Number 2	Answer
10.4	664	674.4

How to calculate 10.4 plus 664 ?

Let's break down the addition of 010.4 and 66400 step by step:

   010.4      <-- Start with the rightmost column
+  66400
---------

    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.

   010.4
+  66400
---------
     4


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

   010.4
+  66400
---------
     4.4


    Add the digits in the rightmost column:
        1 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   010.4
+  66400
---------
     74.4


    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.

   010.4
+  66400
---------
     674.4

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

The final result is 674.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10.5	668	678.5	10.5 plus 668
10.6	675	685.6	10.6 plus 675
10.7	681	691.7	10.7 plus 681
7.6	5.2	12.8	7.6 plus 5.2
9.5	4.5	14	9.5 plus 4.5
9.7	0.4	10.1	9.7 plus 0.4