4.2 Plus 121 Addition :

Number 1	Number 2	Answer
4.2	121	125.2

How to calculate 4.2 plus 121 ?

Let's break down the addition of 004.2 and 12100 step by step:

   004.2      <-- Start with the rightmost column
+  12100
---------

    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
+  12100
---------
     2


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

   004.2
+  12100
---------
     5.2


    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
+  12100
---------
     25.2


    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
+  12100
---------
     125.2

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

The final result is 125.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.3	130	134.3	4.3 plus 130
4.4	133	137.4	4.4 plus 133
4.5	141	145.5	4.5 plus 141
4.4	4.5	8.9	4.4 plus 4.5
3.1	4	7.1	3.1 plus 4
4.4	0.3	4.7	4.4 plus 0.3