2.1 Plus 1 Addition :

Number 1	Number 2	Answer
2.1	1	3.1

How to calculate 2.1 plus 1 ?

Let's break down the addition of 2.1 and 100 step by step:

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

    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.

   2.1
+  100
---------
     1


    Add the digits in the rightmost column:
        2 + 1 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   2.1
+  100
---------
     3.1

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

The final result is 3.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
2.2	5	7.2	2.2 plus 5
2.3	12	14.3	2.3 plus 12
2.4	15	17.4	2.4 plus 15
8.3	2.7	11	8.3 plus 2.7
5	5.9	10.9	5 plus 5.9
7.2	3.7	10.9	7.2 plus 3.7