42.4 Plus 645 Addition :

Number 1	Number 2	Answer
42.4	645	687.4

How to calculate 42.4 plus 645 ?

Let's break down the addition of 042.4 and 64500 step by step:

   042.4      <-- Start with the rightmost column
+  64500
---------

    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
+  64500
---------
     4


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

   042.4
+  64500
---------
     7.4


    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
+  64500
---------
     87.4


    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
+  64500
---------
     687.4

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

The final result is 687.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
42.5	649	691.5	42.5 plus 649
42.6	650	692.6	42.6 plus 650
42.7	658	700.7	42.7 plus 658
8.1	3.6	11.7	8.1 plus 3.6
7.5	4.9	12.4	7.5 plus 4.9
2.7	3.3	6	2.7 plus 3.3