Posted by **Jana** on Wednesday, June 3, 2009 at 10:56pm.

How do you divid whole numbers by decimals?

EX: 20/0.5

-decimals in general?

Thank you!

- Math -
**Ms. Sue**, Wednesday, June 3, 2009 at 11:03pm
You move the decimal point in the divisor to make it a whole number.

Example: 0.5 is 5.

Then you add one or more zeroes to the dividend. Move the decimal point over the same number of places that you did in the divisor.

Example: 20 = 200.

So -- 20 / 0.5 = 200 / 5 = 40

- Math -
**MathMate**, Wednesday, June 3, 2009 at 11:09pm
If it is not a recurring decimal, I would find out how many decimal places I need to move to the right on the denominator to make it an integer (whole number). Then I add the same number of zeroes on the numerator and divide by the integer.

For example:

for 20/0.5 we need to move one position to the right.

So

20/0.5

= 200/5

= 40

Try

275/3.14 (we need to move the decimal 2 position to the right)

275/3.14

=27500/314

=87 182/314

=87 91/157

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