17.2 Plus 421.7 Addition :

Number 1	Number 2	Answer
17.2	421.7	438.9

How to calculate 17.2 plus 421.7 ?

Let's break down the addition of 017.2 and 421.7 step by step:

   017.2      <-- Start with the rightmost column
+  421.7
---------

    Add the digits in the rightmost column:
        2 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   017.2
+  421.7
---------
     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.

   017.2
+  421.7
---------
     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.

   017.2
+  421.7
---------
     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.

   017.2
+  421.7
---------
     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 ?
17.3	428.7	446	17.3 plus 428.7
17.4	431.7	449.1	17.4 plus 431.7
17.5	440.7	458.2	17.5 plus 440.7
8.4	7	15.4	8.4 plus 7
8.9	7	15.9	8.9 plus 7
7.4	8.8	16.2	7.4 plus 8.8