15.5 Plus 402.4 Addition :

Number 1	Number 2	Answer
15.5	402.4	417.9

How to calculate 15.5 plus 402.4 ?

Let's break down the addition of 015.5 and 402.4 step by step:

   015.5      <-- Start with the rightmost column
+  402.4
---------

    Add the digits in the rightmost column:
        5 + 4 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   015.5
+  402.4
---------
     9


    Add the digits in the rightmost column:
        5 + 2 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   015.5
+  402.4
---------
     7.9


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

   015.5
+  402.4
---------
     17.9


    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
+  402.4
---------
     417.9

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

The final result is 417.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
15.6	405.4	421	15.6 plus 405.4
15.7	408.4	424.1	15.7 plus 408.4
15.8	412.4	428.2	15.8 plus 412.4
4.6	2.9	7.5	4.6 plus 2.9
6.9	1.2	8.1	6.9 plus 1.2
4.7	5.2	9.9	4.7 plus 5.2