100.4 Plus 642 Addition :

Number 1	Number 2	Answer
100.4	642	742.4

How to calculate 100.4 plus 642 ?

Let's break down the addition of 100.4 and 64200 step by step:

   100.4      <-- Start with the rightmost column
+  64200
---------

    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.

   100.4
+  64200
---------
     4


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

   100.4
+  64200
---------
     2.4


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

   100.4
+  64200
---------
     42.4


    Add the digits in the rightmost column:
        1 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   100.4
+  64200
---------
     742.4

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

The final result is 742.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
100.5	646	746.5	100.5 plus 646
100.6	651	751.6	100.6 plus 651
100.7	655	755.7	100.7 plus 655
6.7	8	14.7	6.7 plus 8
0.4	6	6.4	0.4 plus 6
4.2	3.7	7.9	4.2 plus 3.7