4.1 Plus 9 Addition :

Number 1	Number 2	Answer
4.1	9	13.1

How to calculate 4.1 plus 9 ?

Let's break down the addition of 4.1 and 900 step by step:

   4.1      <-- Start with the rightmost column
+  900
---------

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

   4.1
+  900
---------
     1


    Add the digits in the rightmost column:
        4 + 9 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   4.1
+  900
---------
     3.1

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

The final result is 13.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.2	14	18.2	4.2 plus 14
4.3	18	22.3	4.3 plus 18
4.4	20	24.4	4.4 plus 20
0.7	5	5.7	0.7 plus 5
1.3	1.2	2.5	1.3 plus 1.2
8.2	8	16.2	8.2 plus 8