1 Plus 3.1 Addition :

Number 1	Number 2	Answer
1	3.1	4.1

How to calculate 1 plus 3.1 ?

Let's break down the addition of 100 and 3.1 step by step:

   100      <-- Start with the rightmost column
+  3.1
---------

    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.

   100
+  3.1
---------
     1


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

   100
+  3.1
---------
     01


    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.

   100
+  3.1
---------
     401

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

The final result is 401.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
1.1	7.1	8.2	1.1 plus 7.1
1.2	14.1	15.3	1.2 plus 14.1
1.3	23.1	24.4	1.3 plus 23.1
7.9	1.5	9.4	7.9 plus 1.5
8.2	7	15.2	8.2 plus 7
4.6	5.3	9.9	4.6 plus 5.3