88.4 Plus 421 Addition :

Number 1	Number 2	Answer
88.4	421	509.4

How to calculate 88.4 plus 421 ?

Let's break down the addition of 088.4 and 42100 step by step:

   088.4      <-- Start with the rightmost column
+  42100
---------

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

   088.4
+  42100
---------
     4


    Add the digits in the rightmost column:
        8 + 1 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   088.4
+  42100
---------
     9.4


    Add the digits in the rightmost column:
        8 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   088.4
+  42100
---------
     09.4


    Add the digits in the rightmost column:
        0 + 4 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   088.4
+  42100
---------
     509.4

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

The final result is 509.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
88.5	424	512.5	88.5 plus 424
88.6	433	521.6	88.6 plus 433
88.7	437	525.7	88.7 plus 437
7	7.2	14.2	7 plus 7.2
2.9	3.9	6.8	2.9 plus 3.9
7.9	6.6	14.5	7.9 plus 6.6