Simplifying Complex Fractions: Key Concepts and Practice

This video tutorial explains complex fractions, which are fractions with fractions in the numerator, denominator, or both. It outlines a five-step process to simplify complex fractions: setting up the division problem, converting whole numbers to fractions, changing the division sign to multiplication and using the reciprocal, multiplying numerators and denominators, and simplifying the result. The tutorial includes examples and practice problems to reinforce the concepts.

What does the fraction bar in a complex fraction represent?

• Multiplication

• Subtraction

• Division

• Addition

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What is the first step in simplifying a complex fraction?

• Set up the division problem

• Multiply the numerators

• Simplify the fraction

• Change the division sign to multiplication

How do you convert a whole number into a fraction?

• By multiplying it by 2

• By giving it a denominator of 1

• By adding 1 to the number

• By subtracting 1 from the number

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What does 'change and flip' refer to in the context of simplifying complex fractions?

• Changing the division sign to multiplication and taking the reciprocal of the second fraction

• Changing the whole number to a fraction

• Changing the fraction to a decimal

• Changing the numerator and denominator of the first fraction

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What is the result of one-half divided by three?

• Three-halves

• Two-thirds

• One-sixth

• One-third

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In the example of two-fifths divided by three-fourths, what is the first step?

• Change the division sign to multiplication

• Multiply the numerators

• Set up the division problem

• Simplify the fraction

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What is the reciprocal of three-fourths?

• One-third

• Three-fourths

• Four-thirds

• Two-fifths

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What is the result of two-fifths divided by three-fourths?

• Three-tenths

• Five-eighths

• Eight-fifteenths

• Four-fifths

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What should you do if your simplified fraction has common factors?

• Multiply the factors

• Leave it as it is

• Simplify the fraction further

• Add the factors

What is the simplified form of five-sixths divided by three-fifths?

• Three-tenths

• One and seven-eighteenths

• Five-eighteenths

• Two-thirds

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CCSS.7.NS.A.2B