12.1 Plus 377 Addition :

Number 1	Number 2	Answer
12.1	377	389.1

How to calculate 12.1 plus 377 ?

Let's break down the addition of 012.1 and 37700 step by step:

   012.1      <-- Start with the rightmost column
+  37700
---------

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

   012.1
+  37700
---------
     1


    Add the digits in the rightmost column:
        2 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   012.1
+  37700
---------
     9.1


    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.

   012.1
+  37700
---------
     89.1


    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.

   012.1
+  37700
---------
     389.1

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

The final result is 389.1.

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Number 1	Number 2	ANSWER:	HOW TO ?
12.2	382	394.2	12.2 plus 382
12.3	383	395.3	12.3 plus 383
12.4	385	397.4	12.4 plus 385
7.8	7.2	15	7.8 plus 7.2
4	3.7	7.7	4 plus 3.7
5.4	5.5	10.9	5.4 plus 5.5