2.1 Plus 85 Addition :

Number 1	Number 2	Answer
2.1	85	87.1

How to calculate 2.1 plus 85 ?

Let's break down the addition of 02.1 and 8500 step by step:

   02.1      <-- Start with the rightmost column
+  8500
---------

    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.

   02.1
+  8500
---------
     1


    Add the digits in the rightmost column:
        2 + 5 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   02.1
+  8500
---------
     7.1


    Add the digits in the rightmost column:
        0 + 8 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   02.1
+  8500
---------
     87.1

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

The final result is 87.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
2.2	90	92.2	2.2 plus 90
2.3	99	101.3	2.3 plus 99
2.4	108	110.4	2.4 plus 108
9	6.1	15.1	9 plus 6.1
1.3	7.7	9	1.3 plus 7.7
4.2	1	5.2	4.2 plus 1