7.7 Plus 420 Addition :

Number 1	Number 2	Answer
7.7	420	427.7

How to calculate 7.7 plus 420 ?

Let's break down the addition of 007.7 and 42000 step by step:

   007.7      <-- Start with the rightmost column
+  42000
---------

    Add the digits in the rightmost column:
        7 + 0 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   007.7
+  42000
---------
     7


    Add the digits in the rightmost column:
        7 + 0 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   007.7
+  42000
---------
     7.7


    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.

   007.7
+  42000
---------
     27.7


    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.

   007.7
+  42000
---------
     427.7

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

The final result is 427.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.8	423	430.8	7.8 plus 423
7.9	426	433.9	7.9 plus 426
8	427	435	8 plus 427
8	9.6	17.6	8 plus 9.6
5.6	8.5	14.1	5.6 plus 8.5
5.7	5.2	10.9	5.7 plus 5.2