15.5 Plus 409 Addition :

Number 1	Number 2	Answer
15.5	409	424.5

How to calculate 15.5 plus 409 ?

Let's break down the addition of 015.5 and 40900 step by step:

   015.5      <-- Start with the rightmost column
+  40900
---------

    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
+  40900
---------
     5


    Add the digits in the rightmost column:
        5 + 9 + 1 = 14
        Write down 4 in the rightmost column, carry over 1 to the next column.

   015.5
+  40900
---------
     4.5


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

   015.5
+  40900
---------
     24.5


    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.

   015.5
+  40900
---------
     424.5

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

The final result is 424.5.

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Number 1	Number 2	ANSWER:	HOW TO ?
15.6	414	429.6	15.6 plus 414
15.7	416	431.7	15.7 plus 416
15.8	420	435.8	15.8 plus 420
8.8	0.5	9.3	8.8 plus 0.5
9.9	0.5	10.4	9.9 plus 0.5
7	6.2	13.2	7 plus 6.2