6.7 Plus 421.9 Addition :

Number 1	Number 2	Answer
6.7	421.9	428.6

How to calculate 6.7 plus 421.9 ?

Let's break down the addition of 006.7 and 421.9 step by step:

   006.7      <-- Start with the rightmost column
+  421.9
---------

    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.

   006.7
+  421.9
---------
     6


    Add the digits in the rightmost column:
        6 + 1 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   006.7
+  421.9
---------
     8.6


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

   006.7
+  421.9
---------
     28.6


    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.

   006.7
+  421.9
---------
     428.6

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

The final result is 428.6.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6.8	429.9	436.7	6.8 plus 429.9
6.9	430.9	437.8	6.9 plus 430.9
7	435.9	442.9	7 plus 435.9
0.7	4.8	5.5	0.7 plus 4.8
9.3	7.8	17.1	9.3 plus 7.8
0.9	9.6	10.5	0.9 plus 9.6