8.5 Plus 421.8 Addition :

Number 1	Number 2	Answer
8.5	421.8	430.3

How to calculate 8.5 plus 421.8 ?

Let's break down the addition of 008.5 and 421.8 step by step:

   008.5      <-- Start with the rightmost column
+  421.8
---------

    Add the digits in the rightmost column:
        5 + 8 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   008.5
+  421.8
---------
     3


    Add the digits in the rightmost column:
        8 + 1 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   008.5
+  421.8
---------
     0.3


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

   008.5
+  421.8
---------
     30.3


    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.

   008.5
+  421.8
---------
     430.3

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

The final result is 430.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.6	429.8	438.4	8.6 plus 429.8
8.7	437.8	446.5	8.7 plus 437.8
8.8	441.8	450.6	8.8 plus 441.8
8.9	0.4	9.3	8.9 plus 0.4
6	0.9	6.9	6 plus 0.9
2.6	1	3.6	2.6 plus 1