A fraction represents a part of a whole and is written as $$\frac{a}{b}$$ , where 'a' is the numerator (part) and 'b' is the denominator (whole).

If Ginna owns $$\frac{5}{6}$$ of a section of land and plants peanuts on $$\frac{2}{3}$$ of her land, what fraction of the entire section is planted with peanuts?

$$\frac{5}{6} \times \frac{2}{3} = \frac{10}{18} = \frac{5}{9}$$ .

If Jemma made 5 cups of pancake batter and uses a scoop measuring $$\frac{1}{3}$$ cup, how many pancakes can she make?

$$5 \div \frac{1}{3} = 5 \times 3 = 15$$ pancakes.

Jacob can run $$\frac{1}{10}$$ mile per minute. How many minutes will it take him to run 2 miles?

$$2 \div \frac{1}{10} = 2 \times 10 = 20$$ minutes.

George has $$\frac{1}{3}$$ pan of brownies and eats $$\frac{1}{4}$$ of them. What fraction did he eat?

$$\frac{1}{3} \times \frac{1}{4} = \frac{1}{12}$$ .

Lori's recipe calls for $$\frac{2}{3}$$ of a cup of milk. If she triples the recipe, how much milk is needed?

$$\frac{2}{3} \times 3 = 2$$ cups of milk.

What is the least common denominator (LCD) of $$\frac{1}{4}$$ and $$\frac{1}{6}$$ ?

The least common denominator of $$4$$ and $$6$$ is $$12$$ .

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

To convert a mixed number, multiply the whole number by the denominator and add the numerator: $$a \frac{b}{c} = \frac{a \times c + b}{c}$$ .

What is a proper fraction?

A proper fraction is a fraction where the numerator is less than the denominator, e.g., $$\frac{2}{3}$$ .

What is an improper fraction?

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, e.g., $$\frac{5}{4}$$ .

What does it mean to simplify a fraction?

To simplify a fraction means to reduce it to its simplest form by dividing the numerator and denominator by their greatest common divisor (GCD).

Multiplying and Dividing Fractions Review Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a fraction?

Back

2.

FLASHCARD QUESTION

Front

How do you multiply two fractions?

Back

3.

FLASHCARD QUESTION

Front

What is the simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.

4.

FLASHCARD QUESTION

Front

How do you divide fractions?

Back

5.

FLASHCARD QUESTION

Front

What is the reciprocal of a fraction?

Back

6.

FLASHCARD QUESTION

Front

Back

7.

FLASHCARD QUESTION

Front

Back

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