8.7 Plus 31 Addition :

Number 1	Number 2	Answer
8.7	31	39.7

How to calculate 8.7 plus 31 ?

Let's break down the addition of 08.7 and 3100 step by step:

   08.7      <-- Start with the rightmost column
+  3100
---------

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

   08.7
+  3100
---------
     7


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   08.7
+  3100
---------
     9.7


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

   08.7
+  3100
---------
     39.7

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

The final result is 39.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	40	48.8	8.8 plus 40
8.9	49	57.9	8.9 plus 49
9	57	66	9 plus 57
6.9	8.4	15.3	6.9 plus 8.4
7.7	7.4	15.1	7.7 plus 7.4
2.9	5.7	8.6	2.9 plus 5.7