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	36	44.8	8.8 plus 36
8.9	40	48.9	8.9 plus 40
9	46	55	9 plus 46
2.3	9.7	12	2.3 plus 9.7
6.3	7.6	13.9	6.3 plus 7.6
2.7	4	6.7	2.7 plus 4