13.7 Plus 420.9 Addition :

Number 1	Number 2	Answer
13.7	420.9	434.6

How to calculate 13.7 plus 420.9 ?

Let's break down the addition of 013.7 and 420.9 step by step:

   013.7      <-- Start with the rightmost column
+  420.9
---------

    Add the digits in the rightmost column:
        7 + 9 + 1 = 16
        Write down 6 in the rightmost column, carry over 1 to the next column.

   013.7
+  420.9
---------
     6


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

   013.7
+  420.9
---------
     4.6


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   013.7
+  420.9
---------
     34.6


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

   013.7
+  420.9
---------
     434.6

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

The final result is 434.6.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
13.8	423.9	437.7	13.8 plus 423.9
13.9	429.9	443.8	13.9 plus 429.9
14	432.9	446.9	14 plus 432.9
7.4	6.6	14	7.4 plus 6.6
3	2	5	3 plus 2
3.5	5.1	8.6	3.5 plus 5.1