4.2 Plus 138.7 Addition :

Number 1	Number 2	Answer
4.2	138.7	142.9

How to calculate 4.2 plus 138.7 ?

Let's break down the addition of 004.2 and 138.7 step by step:

   004.2      <-- Start with the rightmost column
+  138.7
---------

    Add the digits in the rightmost column:
        2 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   004.2
+  138.7
---------
     9


    Add the digits in the rightmost column:
        4 + 8 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   004.2
+  138.7
---------
     2.9


    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
+  138.7
---------
     42.9


    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
+  138.7
---------
     142.9

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

The final result is 142.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.3	141.7	146	4.3 plus 141.7
4.4	144.7	149.1	4.4 plus 144.7
4.5	148.7	153.2	4.5 plus 148.7
1.9	3.8	5.7	1.9 plus 3.8
6.3	6	12.3	6.3 plus 6
3.3	2.1	5.4	3.3 plus 2.1