17.4 Plus 421.5 Addition :

Number 1	Number 2	Answer
17.4	421.5	438.9

How to calculate 17.4 plus 421.5 ?

Let's break down the addition of 017.4 and 421.5 step by step:

   017.4      <-- Start with the rightmost column
+  421.5
---------

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

   017.4
+  421.5
---------
     9


    Add the digits in the rightmost column:
        7 + 1 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   017.4
+  421.5
---------
     8.9


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   017.4
+  421.5
---------
     38.9


    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.

   017.4
+  421.5
---------
     438.9

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

The final result is 438.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
17.5	426.5	444	17.5 plus 426.5
17.6	428.5	446.1	17.6 plus 428.5
17.7	435.5	453.2	17.7 plus 435.5
3.9	1.1	5	3.9 plus 1.1
1.5	1.3	2.8	1.5 plus 1.3
3.7	7.3	11	3.7 plus 7.3