8.8 Plus 421.7 Addition :

Number 1	Number 2	Answer
8.8	421.7	430.5

How to calculate 8.8 plus 421.7 ?

Let's break down the addition of 008.8 and 421.7 step by step:

   008.8      <-- Start with the rightmost column
+  421.7
---------

    Add the digits in the rightmost column:
        8 + 7 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   008.8
+  421.7
---------
     5


    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.

   008.8
+  421.7
---------
     0.5


    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.

   008.8
+  421.7
---------
     30.5


    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.

   008.8
+  421.7
---------
     430.5

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

The final result is 430.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.9	425.7	434.6	8.9 plus 425.7
9	433.7	442.7	9 plus 433.7
9.1	441.7	450.8	9.1 plus 441.7
4.4	8.7	13.1	4.4 plus 8.7
1.3	4.2	5.5	1.3 plus 4.2
8	0.4	8.4	8 plus 0.4