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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