7.9 Plus 31 Addition :

Number 1	Number 2	Answer
7.9	31	38.9

How to calculate 7.9 plus 31 ?

Let's break down the addition of 07.9 and 3100 step by step:

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

    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.

   07.9
+  3100
---------
     9


    Add the digits in the rightmost column:
        7 + 1 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   07.9
+  3100
---------
     8.9


    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.

   07.9
+  3100
---------
     38.9

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

The final result is 38.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8	34	42	8 plus 34
8.1	43	51.1	8.1 plus 43
8.2	46	54.2	8.2 plus 46
4.3	8.5	12.8	4.3 plus 8.5
0.5	2.5	3	0.5 plus 2.5
6.9	8.1	15	6.9 plus 8.1