21.9 Plus 138 Addition :

Number 1	Number 2	Answer
21.9	138	159.9

How to calculate 21.9 plus 138 ?

Let's break down the addition of 021.9 and 13800 step by step:

   021.9      <-- Start with the rightmost column
+  13800
---------

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

   021.9
+  13800
---------
     9


    Add the digits in the rightmost column:
        1 + 8 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   021.9
+  13800
---------
     9.9


    Add the digits in the rightmost column:
        2 + 3 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   021.9
+  13800
---------
     59.9


    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.

   021.9
+  13800
---------
     159.9

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

The final result is 159.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
22	147	169	22 plus 147
22.1	156	178.1	22.1 plus 156
22.2	165	187.2	22.2 plus 165
5	1.8	6.8	5 plus 1.8
5.2	8.3	13.5	5.2 plus 8.3
3	1.6	4.6	3 plus 1.6