31.1 Plus 9 Addition :

Number 1	Number 2	Answer
31.1	9	40.1

How to calculate 31.1 plus 9 ?

Let's break down the addition of 31.1 and 0900 step by step:

   31.1      <-- Start with the rightmost column
+  0900
---------

    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.

   31.1
+  0900
---------
     1


    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   31.1
+  0900
---------
     0.1


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

   31.1
+  0900
---------
     40.1

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

The final result is 40.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
31.2	15	46.2	31.2 plus 15
31.3	17	48.3	31.3 plus 17
31.4	19	50.4	31.4 plus 19
9	5.4	14.4	9 plus 5.4
4.9	2.9	7.8	4.9 plus 2.9
7.7	1.8	9.5	7.7 plus 1.8