It is a rational number which is less than 1. If the absolute value of the numerator is less than the absolute value of the denominator then the fraction is a proper fraction.
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If it's one of those ordinary ones you write ([numerator]/[denominator])
Change the number or variable with the exponent from the numerator to the denominator, or from the denominator to the numerator, and at the same time change the exponent from negative to positive. For example, 5-3 = 1/53, and 1/x-10 = x10.
Either 8/10,or 4/5,or 16/20.These are the basic ones. And then there's fractions like 32/40,64/80,128/160.Those are the ones where you just double thenumerator and the denominator You can also do things like 80/100,800/1000.Those are the ones where you multiply the numerator and denominator by 10,over and over again.Hope I answered it!!!!!!!!
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4.5 as a decimal is 4.5. 4.5 is four ones and 1/2 of 1. So, as a mixed fraction, it would look like: 4 1/2. As an improper fraction, you would multiply the denominator by the number to the left of it, add the numerator to the product, and put the sum over the original denominator. 4x2=8. 8+1= 9. 9/2 is 4.5 as an improper fraction.