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

To multiply fractions, multiply the numerators and the denominators, e.g.:

1/2 x 3/5 = (1/3) / (2/5) = 3/10

To divide fractions, multiply the first fraction with the reciprocal of the second.

1/2 divided by 5/3 is the same as 1/2 times 3/5.

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Q: How do you do common denominator division?
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Related questions

Does division need a common denominator?

No, You only need a common denominator when adding or subtracting fractions.


How do you know when to turn a division problem into a fraction?

When the numerator and denominator of the division do not have a common factor.


Why is there no common denominator when multiplying or dividing fractions?

Because it is not how multiplication or division are defined.


When dividing fractions do need a common denominator?

No. Common denominators are needed for addition and subtraction, not multiplication or division.


Why do you not divide to find a common denominator?

Because a common denominator of a set of numbers is a multiple - not a factor - of each one. A multiple, as might be expected from its name, requires multiplication, not division.


Which operations don't require a common denominator?

Addition and subtraction are the only fraction operations that need a common denominator. Multiplication, division, and exponents do not need a common denominator. In fact, it is best to use reduced fractions otherwise it gets very messy.


What is the common denominator of 56 and 7?

A common denominator is 7.A common denominator is 7.A common denominator is 7.A common denominator is 7.


What are the basics to math?

What is the least common denominator for 7/8 + 3/4


What is the least common multiple of two ir more denominators?

That's the least common denominator or LCD.


What are the least common multiple of a denominator called?

The least common denominator.


What is a synonym for common denominator?

A few synonyms for common denominator are , common divisor, common measure, denominator, numerator


What is the bottom number in division?

The denominator.