10.9 Plus 138.5 Addition :

Number 1	Number 2	Answer
10.9	138.5	149.4

How to calculate 10.9 plus 138.5 ?

Let's break down the addition of 010.9 and 138.5 step by step:

   010.9      <-- Start with the rightmost column
+  138.5
---------

    Add the digits in the rightmost column:
        9 + 5 + 1 = 14
        Write down 4 in the rightmost column, carry over 1 to the next column.

   010.9
+  138.5
---------
     4


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

   010.9
+  138.5
---------
     9.4


    Add the digits in the rightmost column:
        1 + 3 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   010.9
+  138.5
---------
     49.4


    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.

   010.9
+  138.5
---------
     149.4

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

The final result is 149.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
11	140.5	151.5	11 plus 140.5
11.1	149.5	160.6	11.1 plus 149.5
11.2	152.5	163.7	11.2 plus 152.5
2.5	2.8	5.3	2.5 plus 2.8
9.7	8.5	18.2	9.7 plus 8.5
9	7.2	16.2	9 plus 7.2