What is the least common denominator (LCD)?

The least common denominator is the smallest number that can be used as a common denominator for two or more fractions. For example, the LCD of $$\frac{1}{3}$$ and $$\frac{1}{4}$$ is 12.

How do you add fractions with different denominators?

To add fractions with different denominators, first find the least common denominator (LCD), convert each fraction to an equivalent fraction with the LCD, and then add the numerators. For example, $$\frac{1}{3} + \frac{1}{4} = \frac{4}{12} + \frac{3}{12} = \frac{7}{12}$$ .

What is a proper fraction?

A proper fraction is a fraction where the numerator is less than the denominator. For example, $$\frac{2}{5}$$ is a proper fraction.

What is an improper fraction?

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

How do you find the product of a fraction and a whole number?

To find the product of a fraction and a whole number, multiply the numerator of the fraction by the whole number and keep the same denominator. For example, $$3 \times \frac{2}{5} = \frac{3 \times 2}{5} = \frac{6}{5}$$ .

What is the difference between multiplication and division of fractions?

Multiplication of fractions involves multiplying the numerators and denominators, while division involves multiplying by the reciprocal of the second fraction.

How do you compare two fractions?

To compare two fractions, you can find a common denominator or convert them to decimals. For example, to compare $$\frac{1}{2}$$ and $$\frac{3}{4}$$ , you can convert them to decimals: 0.5 and 0.75.

What is the greatest common factor (GCF)?

The greatest common factor is the largest number that divides two or more numbers without leaving a remainder. For example, the GCF of 8 and 12 is 4.

Multiplying and Dividing Fractions Study Guide Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number). For example, in the fraction 3/4, 3 is the numerator and 4 is the denominator.

2.

FLASHCARD QUESTION

Front

How do you multiply fractions?

Back

3.

FLASHCARD QUESTION

Front

What is the reciprocal of a fraction?

Back

4.

FLASHCARD QUESTION

Front

How do you divide fractions?

Back

5.

FLASHCARD QUESTION

Front

What does it mean to simplify a fraction?

Back

6.

FLASHCARD QUESTION

Front

What is a mixed number?

Back

7.

FLASHCARD QUESTION

Front

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

Back

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