42.1 Plus 687 Addition :

Number 1	Number 2	Answer
42.1	687	729.1

How to calculate 42.1 plus 687 ?

Let's break down the addition of 042.1 and 68700 step by step:

   042.1      <-- Start with the rightmost column
+  68700
---------

    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
+  68700
---------
     1


    Add the digits in the rightmost column:
        2 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   042.1
+  68700
---------
     9.1


    Add the digits in the rightmost column:
        4 + 8 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   042.1
+  68700
---------
     29.1


    Add the digits in the rightmost column:
        0 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   042.1
+  68700
---------
     729.1

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

The final result is 729.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
42.2	692	734.2	42.2 plus 692
42.3	695	737.3	42.3 plus 695
42.4	696	738.4	42.4 plus 696
1.6	1.5	3.1	1.6 plus 1.5
1.8	8.7	10.5	1.8 plus 8.7
5	6.5	11.5	5 plus 6.5