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Not when you multiply or divide fractions, only when you add or subtract fractions. For example, 1/2 x 5/7 = 5/14.

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โˆ™ 2011-05-25 23:21:28
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: Is it necessary to to have a common denominator when you mutiply two fraction?
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Related questions

How do you subtract a fraction?

Find a common denominator (make sure you multiply BOTH the numerator and the denominator) then subtract the numerators and simplify if necessary.


How do you subtract a fraction.?

Find a common denominator (make sure you multiply BOTH the numerator and the denominator) then subtract the numerators and simplify if necessary


What is a common denometer?

When adding or subtracting fractions with different denominators, it is necessary to find a common denominator to solve the equation. A common denominator is like a common multiple, except its function is as the bottom number in a fraction.


What is the similar fraction?

fraction having a common denominator


What are common fractions?

When the numerator is less than the denominator then it is a common fraction but if the numerator is greater than the denominator then it is an improper fraction.


Is a fraction or a ratio by dividing the numerator and denominator by a common factor?

Dividing the numerator and denominator by a common factor is how you simplify a fraction.


How do you get the common denominator in dividing fraction?

You don't need a common denominator to divide fractions.


What is a common numerator?

a common numerator is a fraction result to common denominator


How can you change disimilar fraction to similar fraction?

Find a common denominator.


Why do you ned to rename the fraction as an equivalent fraction?

To convert it to a common denominator.


Describe how finding the greatest common factor of the numerator and denominator of a fraction can help reduce the fraction?

5/7 is a fraction in its simplest form. To create an equivalent fraction it is necessary to multiply both the numerator and the denominator by the same integer. The opposite is also true. To reduce an equivalent fraction to its simplest form, it is necessary to divide both the numerator and the denominator by the same integer. 20/28 is an equivalent fraction of 5/7. It is possible to reduce 20/28 to 10/14 by dividing both the numerator and the denominator by 2, but that is not the simplest form. 10/14 can be reduced to 5/7 by dividing both the numerator and the denominator by 2 again. To ensure that an equivalent fraction is reduced to its simplest form, it is necessary to divide by the largest factor that is part of both of them. Another term for this the Greatest Common Factor, or GCF.


What is a fraction for which the greatest common denominator for the numerator and the denominator is 4?

4/4

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