8.7 Plus 421.7 Addition :

Number 1	Number 2	Answer
8.7	421.7	430.4

How to calculate 8.7 plus 421.7 ?

Let's break down the addition of 008.7 and 421.7 step by step:

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

    Add the digits in the rightmost column:
        7 + 7 + 1 = 14
        Write down 4 in the rightmost column, carry over 1 to the next column.

   008.7
+  421.7
---------
     4


    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.

   008.7
+  421.7
---------
     0.4


    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.

   008.7
+  421.7
---------
     30.4


    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.

   008.7
+  421.7
---------
     430.4

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

The final result is 430.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.8	425.7	434.5	8.8 plus 425.7
8.9	428.7	437.6	8.9 plus 428.7
9	437.7	446.7	9 plus 437.7
8.3	1.4	9.7	8.3 plus 1.4
8.4	4	12.4	8.4 plus 4
8	6.2	14.2	8 plus 6.2