10.1 Plus 21 Addition :

Number 1	Number 2	Answer
10.1	21	31.1

How to calculate 10.1 plus 21 ?

Let's break down the addition of 10.1 and 2100 step by step:

   10.1      <-- Start with the rightmost column
+  2100
---------

    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.

   10.1
+  2100
---------
     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.

   10.1
+  2100
---------
     1.1


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

   10.1
+  2100
---------
     31.1

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

The final result is 31.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10.2	30	40.2	10.2 plus 30
10.3	39	49.3	10.3 plus 39
10.4	46	56.4	10.4 plus 46
5.3	7.3	12.6	5.3 plus 7.3
2.8	4	6.8	2.8 plus 4
9.9	8.2	18.1	9.9 plus 8.2