15.5 Plus 665 Addition :

Number 1	Number 2	Answer
15.5	665	680.5

How to calculate 15.5 plus 665 ?

Let's break down the addition of 015.5 and 66500 step by step:

   015.5      <-- Start with the rightmost column
+  66500
---------

    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.

   015.5
+  66500
---------
     5


    Add the digits in the rightmost column:
        5 + 5 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   015.5
+  66500
---------
     0.5


    Add the digits in the rightmost column:
        1 + 6 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   015.5
+  66500
---------
     80.5


    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.

   015.5
+  66500
---------
     680.5

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

The final result is 680.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
15.6	670	685.6	15.6 plus 670
15.7	676	691.7	15.7 plus 676
15.8	680	695.8	15.8 plus 680
5.1	5.3	10.4	5.1 plus 5.3
0.6	6.4	7	0.6 plus 6.4
6.9	4.2	11.1	6.9 plus 4.2