42 Plus 1258.9 Addition :

Number 1	Number 2	Answer
42	1258.9	1300.9

How to calculate 42 plus 1258.9 ?

Let's break down the addition of 004200 and 1258.9 step by step:

   004200      <-- Start with the rightmost column
+  1258.9
---------

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

   004200
+  1258.9
---------
     9


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

   004200
+  1258.9
---------
     09


    Add the digits in the rightmost column:
        2 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   004200
+  1258.9
---------
     009


    Add the digits in the rightmost column:
        4 + 5 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   004200
+  1258.9
---------
     0009


    Add the digits in the rightmost column:
        0 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   004200
+  1258.9
---------
     30009


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

   004200
+  1258.9
---------
     130009

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

The final result is 130009.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
42.1	1261.9	1304	42.1 plus 1261.9
42.2	1267.9	1310.1	42.2 plus 1267.9
42.3	1273.9	1316.2	42.3 plus 1273.9
0.7	2.5	3.2	0.7 plus 2.5
8.6	3.6	12.2	8.6 plus 3.6
3.3	4.4	7.7	3.3 plus 4.4