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Why is a fraction's denominator a whole number?

Updated: 8/17/2019
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7y ago

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A fraction represents a physical counting division into subsets (smaller parts). These parts must nominally be the same size, or multiples of a minimum size. If you had 5 unequal parts, you could not perform any useful calculations.

For example: the fraction 4/7.5 is a valid division but not a valid fraction, while 8/15 or 40/75 would be valid equivalents.

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Q: Why is a fraction's denominator a whole number?
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How much is a whole in fractions?

A whole fraction is when the numerator and denominator have the same number.


How do you divide fractions when there is a whole number?

you divide by the denominator and times by the numerator


What is a general rule for multiplying fractions and whole numbers?

A general rule for multiplying fractions: You shall not multiply the denominator by the whole number,only the numerator.Another rule is you shall make the whole number as a fraction by putting the whole number as the numerator and 1 as the denominator before multiplying it.


How do you find the equal fractions?

Multiply the numerator and the denominator by the same whole number.


How do write a fraction as a whole number?

The majority of fractions will not be able to become whole numbers. Certain improper fractions, where the numerator is a multiple of the denominator, can become whole numbers. No proper fractions can.


How do you write mixed numbers into fractions?

You multiply the denominator by the whole number the add the numerator and you keep the denominator the same.


How do you convert improper fractions into simplest form?

keep the denominator multiply the whole number by the denominator and add the numerator.


What rational numbers that are not integers?

They are numbers in which the denominator does not go into the numerator a whole number of times.


How do you subtract fractions from whole numbers?

turn the whole number into an inproper fraction by doing this: multiply it by the denominator of the fraction.that answer is your numerator make the fractions denominator the whole number's denominator.then subtract just the numerators.you should have an improper fraction as your final answer, so turn that into a mixed number.


How do you convert improper fractions into mixed number fractions and vice versa?

To convert a mixed number to an improper fraction, multiply the denominator by the whole number, add that total to the numerator and put the whole thing over the original denominator. To convert an improper fraction to a mixed number, divide the denominator into the numerator. The answer is the whole number. Put any remainder over the original denominator to create the fraction part.


When you estimate the sum of 2 fractions the estimate is never a whole number?

The sum of two fractions will only be a whole number if the fractions have a common denominator. When the denominators are different, the sum will be a fraction with a different denominator, making it impossible to be a whole number. Thus, estimating the sum of two fractions will generally result in a fraction, not a whole number.


What is factors to the numerator and denominator?

The numerator and denominator of fractions are just whole numbers and have factors like any other number. Factor them as you would any regular whole number.