15.5 Plus 669.7 Addition :

Number 1	Number 2	Answer
15.5	669.7	685.2

How to calculate 15.5 plus 669.7 ?

Let's break down the addition of 015.5 and 669.7 step by step:

   015.5      <-- Start with the rightmost column
+  669.7
---------

    Add the digits in the rightmost column:
        5 + 7 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   015.5
+  669.7
---------
     2


    Add the digits in the rightmost column:
        5 + 9 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   015.5
+  669.7
---------
     5.2


    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
+  669.7
---------
     85.2


    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
+  669.7
---------
     685.2

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

The final result is 685.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
15.6	676.7	692.3	15.6 plus 676.7
15.7	680.7	696.4	15.7 plus 680.7
15.8	689.7	705.5	15.8 plus 689.7
2.1	0.5	2.6	2.1 plus 0.5
9.9	2	11.9	9.9 plus 2
6	8.1	14.1	6 plus 8.1