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

How do you add fractions with different denominators?

Find a common denominator, convert the fractions, then add the numerators.

What is the first step in subtracting fractions?

Ensure the fractions have a common denominator.

What is the result of $$\frac{1}{4} + \frac{1}{4}$$ ?

$$\frac{2}{4} = \frac{1}{2}$$ after simplification.

What does it mean to simplify a fraction?

To simplify a fraction means to reduce it to its lowest terms.

What is the difference between a proper fraction and an improper fraction?

A proper fraction has a numerator smaller than its denominator, while an improper fraction has a numerator larger than or equal to its denominator.

What is the sum of $$\frac{1}{3} + \frac{1}{6}$$ ?

$$\frac{1}{2}$$ after finding a common denominator.

What is the result of $$\frac{5}{8} - \frac{1}{4}$$ ?

$$\frac{3}{8}$$ after finding a common denominator.

What is the importance of finding a common denominator when adding or subtracting fractions?

It allows you to combine the fractions accurately.

Adding and Subtracting Fractions Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

2.

FLASHCARD QUESTION

Front

When adding fractions with like denominators, what happens to the denominators?

Back

The denominators stay the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

3.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

4.

FLASHCARD QUESTION

Front

What must you have to add and subtract fractions?

Back

Common denominators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

5.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

6.

FLASHCARD QUESTION

Front

Define a fraction.

Back

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

7.

FLASHCARD QUESTION

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

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