4.2 Plus 124 Addition :

Number 1	Number 2	Answer
4.2	124	128.2

How to calculate 4.2 plus 124 ?

Let's break down the addition of 004.2 and 12400 step by step:

   004.2      <-- Start with the rightmost column
+  12400
---------

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

   004.2
+  12400
---------
     2


    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.

   004.2
+  12400
---------
     8.2


    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.

   004.2
+  12400
---------
     28.2


    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.

   004.2
+  12400
---------
     128.2

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

The final result is 128.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.3	126	130.3	4.3 plus 126
4.4	129	133.4	4.4 plus 129
4.5	134	138.5	4.5 plus 134
7.5	5.1	12.6	7.5 plus 5.1
5	9.7	14.7	5 plus 9.7
6.4	1.5	7.9	6.4 plus 1.5