31.3 Plus 397 Addition :

Number 1	Number 2	Answer
31.3	397	428.3

How to calculate 31.3 plus 397 ?

Let's break down the addition of 031.3 and 39700 step by step:

   031.3      <-- Start with the rightmost column
+  39700
---------

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

   031.3
+  39700
---------
     3


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

   031.3
+  39700
---------
     8.3


    Add the digits in the rightmost column:
        3 + 9 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   031.3
+  39700
---------
     28.3


    Add the digits in the rightmost column:
        0 + 3 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   031.3
+  39700
---------
     428.3

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

The final result is 428.3.

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Number 1	Number 2	ANSWER:	HOW TO ?
31.4	400	431.4	31.4 plus 400
31.5	401	432.5	31.5 plus 401
31.6	403	434.6	31.6 plus 403
5.1	2	7.1	5.1 plus 2
2.9	2.5	5.4	2.9 plus 2.5
1.4	6.6	8	1.4 plus 6.6