42.1 Plus 645 Addition :

Number 1	Number 2	Answer
42.1	645	687.1

How to calculate 42.1 plus 645 ?

Let's break down the addition of 042.1 and 64500 step by step:

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

    Add the digits in the rightmost column:
        1 + 0 + 0 = 1
        Write down 1 in the rightmost column, carry over 0 to the next column.

   042.1
+  64500
---------
     1


    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.

   042.1
+  64500
---------
     7.1


    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.

   042.1
+  64500
---------
     87.1


    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.

   042.1
+  64500
---------
     687.1

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

The final result is 687.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
42.2	652	694.2	42.2 plus 652
42.3	653	695.3	42.3 plus 653
42.4	656	698.4	42.4 plus 656
1.2	4.2	5.4	1.2 plus 4.2
3.2	0.2	3.4	3.2 plus 0.2
4.7	6.9	11.6	4.7 plus 6.9