9.9 Plus 71 Addition :

Number 1	Number 2	Answer
9.9	71	80.9

How to calculate 9.9 plus 71 ?

Let's break down the addition of 09.9 and 7100 step by step:

   09.9      <-- Start with the rightmost column
+  7100
---------

    Add the digits in the rightmost column:
        9 + 0 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   09.9
+  7100
---------
     9


    Add the digits in the rightmost column:
        9 + 1 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   09.9
+  7100
---------
     0.9


    Add the digits in the rightmost column:
        0 + 7 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   09.9
+  7100
---------
     80.9

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

The final result is 80.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	78	88	10 plus 78
10.1	82	92.1	10.1 plus 82
10.2	89	99.2	10.2 plus 89
3.9	1.5	5.4	3.9 plus 1.5
1.7	6.1	7.8	1.7 plus 6.1
5.6	8.8	14.4	5.6 plus 8.8