4.2 Plus 137.9 Addition :

Number 1	Number 2	Answer
4.2	137.9	142.1

How to calculate 4.2 plus 137.9 ?

Let's break down the addition of 004.2 and 137.9 step by step:

   004.2      <-- Start with the rightmost column
+  137.9
---------

    Add the digits in the rightmost column:
        2 + 9 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   004.2
+  137.9
---------
     1


    Add the digits in the rightmost column:
        4 + 7 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   004.2
+  137.9
---------
     2.1


    Add the digits in the rightmost column:
        0 + 3 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   004.2
+  137.9
---------
     42.1


    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
+  137.9
---------
     142.1

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

The final result is 142.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.3	144.9	149.2	4.3 plus 144.9
4.4	152.9	157.3	4.4 plus 152.9
4.5	158.9	163.4	4.5 plus 158.9
7.3	9.9	17.2	7.3 plus 9.9
3.2	9.7	12.9	3.2 plus 9.7
9.6	2.3	11.9	9.6 plus 2.3