31.1 Plus 21 Addition :

Number 1	Number 2	Answer
31.1	21	52.1

How to calculate 31.1 plus 21 ?

Let's break down the addition of 31.1 and 2100 step by step:

   31.1      <-- 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.

   31.1
+  2100
---------
     1


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

   31.1
+  2100
---------
     2.1


    Add the digits in the rightmost column:
        3 + 2 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   31.1
+  2100
---------
     52.1

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

The final result is 52.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
31.2	29	60.2	31.2 plus 29
31.3	36	67.3	31.3 plus 36
31.4	42	73.4	31.4 plus 42
9.9	6.1	16	9.9 plus 6.1
2.1	4.7	6.8	2.1 plus 4.7
4.3	9	13.3	4.3 plus 9