42.8 Plus 645 Addition :

Number 1	Number 2	Answer
42.8	645	687.8

How to calculate 42.8 plus 645 ?

Let's break down the addition of 042.8 and 64500 step by step:

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

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

   042.8
+  64500
---------
     8


    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.

   042.8
+  64500
---------
     7.8


    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.

   042.8
+  64500
---------
     87.8


    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.

   042.8
+  64500
---------
     687.8

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

The final result is 687.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
42.9	654	696.9	42.9 plus 654
43	655	698	43 plus 655
43.1	657	700.1	43.1 plus 657
7.3	1.9	9.2	7.3 plus 1.9
5	9.8	14.8	5 plus 9.8
0.4	4.1	4.5	0.4 plus 4.1