42.4 Plus 642 Addition :

Number 1	Number 2	Answer
42.4	642	684.4

How to calculate 42.4 plus 642 ?

Let's break down the addition of 042.4 and 64200 step by step:

   042.4      <-- Start with the rightmost column
+  64200
---------

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

   042.4
+  64200
---------
     4


    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.

   042.4
+  64200
---------
     4.4


    Add the digits in the rightmost column:
        4 + 4 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   042.4
+  64200
---------
     84.4


    Add the digits in the rightmost column:
        0 + 6 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   042.4
+  64200
---------
     684.4

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

The final result is 684.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
42.5	646	688.5	42.5 plus 646
42.6	650	692.6	42.6 plus 650
42.7	652	694.7	42.7 plus 652
2	3.7	5.7	2 plus 3.7
6.4	9	15.4	6.4 plus 9
3.9	2.9	6.8	3.9 plus 2.9