Question

How do you divid whole numbers by decimals?
EX: 20/0.5
-decimals in general?
Thank you!

Answer 1

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

Answer 2

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