What is the result of $$\frac{2}{5} \div 6$$ ?

$$\frac{2}{5} \times \frac{1}{6} = \frac{2}{30} = \frac{1}{15}$$

If a recipe requires $$\frac{3}{4}$$ cups of flour for 1 serving, how many cups are needed for 3 servings?

$$\frac{3}{4} \times 3 = \frac{9}{4} = 2 \frac{1}{4} \text{ cups}$$

How many pieces of ribbon can Valerie cut from a 9 ft ribbon if each piece is $$\frac{2}{3}$$ ft long?

$$9 \div \frac{2}{3} = 9 \times \frac{3}{2} = \frac{27}{2} = 13 \text{ pieces}$$

Lacey has $$18 \frac{1}{4}$$ pounds of candy. How many goodie bags can she make if each bag contains $$\frac{2}{3}$$ pound?

$$18 \frac{1}{4} = \frac{73}{4} \text{ pounds}; \frac{73}{4} \div \frac{2}{3} = \frac{73}{4} \times \frac{3}{2} = \frac{219}{8} = 27 \text{ goodie bags}$$

Zack wants to serve $$\frac{1}{5}$$ of a pizza to each of his 24 friends. How much pizza does he need?

$$\frac{1}{5} \times 24 = \frac{24}{5} = 4 \frac{4}{5} \text{ pizzas}$$

How do you multiply two fractions?

Multiply the numerators together and the denominators together.

If you have $$\frac{5}{6}$$ of a pizza and eat $$\frac{1}{3}$$ of it, how much pizza is left?

$$\frac{5}{6} - \frac{1}{3} = \frac{5}{6} - \frac{2}{6} = \frac{3}{6} = \frac{1}{2}$$ .

What does it mean to simplify a fraction?

To reduce a fraction to its lowest terms by dividing the numerator and denominator by their greatest common divisor.

How do you divide fractions?

Multiply by the reciprocal of the divisor.

What is $$\frac{2}{3} \div \frac{4}{5}$$ ?

$$\frac{2}{3} \times \frac{5}{4} = \frac{10}{12} = \frac{5}{6}$$ .

CA 6 ADV Multiplying & Dividing Fractions Review 2024 Flashcards

Student preview

16 questions

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1.

FLASHCARD QUESTION

Front

Back

2.

FLASHCARD QUESTION

Front

Back

3.

FLASHCARD QUESTION

Front

Back

4.

FLASHCARD QUESTION

Front

Back

5.

FLASHCARD QUESTION

Front

Back

6.

FLASHCARD QUESTION

Front

What is the relationship between division and multiplication of fractions?

Back

Dividing by a fraction is the same as multiplying by its reciprocal.

7.

FLASHCARD QUESTION

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place over the original denominator.

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