21.7 Plus 420.4 Addition :

Number 1	Number 2	Answer
21.7	420.4	442.1

How to calculate 21.7 plus 420.4 ?

Let's break down the addition of 021.7 and 420.4 step by step:

   021.7      <-- Start with the rightmost column
+  420.4
---------

    Add the digits in the rightmost column:
        7 + 4 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   021.7
+  420.4
---------
     1


    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.

   021.7
+  420.4
---------
     2.1


    Add the digits in the rightmost column:
        2 + 2 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   021.7
+  420.4
---------
     42.1


    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.

   021.7
+  420.4
---------
     442.1

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

The final result is 442.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.8	424.4	446.2	21.8 plus 424.4
21.9	426.4	448.3	21.9 plus 426.4
22	431.4	453.4	22 plus 431.4
5	1.7	6.7	5 plus 1.7
5.9	6.3	12.2	5.9 plus 6.3
1.3	1.9	3.2	1.3 plus 1.9