A fraction represents a part of a whole and is written as two numbers separated by a slash, like $$\frac{a}{b}$$ , where 'a' is the numerator and 'b' is the denominator.

What is $$\frac{2}{8} + \frac{3}{8}$$ ?

$$\frac{2}{8} + \frac{3}{8} = \frac{2+3}{8} = \frac{5}{8}$$ .

What is $$\frac{4}{6} - \frac{2}{6}$$ ?

$$\frac{4}{6} - \frac{2}{6} = \frac{4-2}{6} = \frac{2}{6}$$ .

What does it mean to simplify a fraction?

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

What is $$\frac{6}{12}$$ simplified?

$$\frac{6}{12}$$ simplified is $$\frac{1}{2}$$ .

If Lauren had $$\frac{4}{6}$$ of a bag of popcorn and ate $$\frac{2}{6}$$ , what fraction is left?

$$\frac{4}{6} - \frac{2}{6} = \frac{2}{6}$$ .

What is the equivalent fraction of $$\frac{1}{2}$$ with a denominator of 4?

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

What is the first step in adding fractions?

Ensure that the fractions have a common denominator before adding.

What is a common denominator?

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

How do you find a common denominator for $$\frac{1}{3}$$ and $$\frac{1}{4}$$ ?

The least common denominator (LCD) of $$3$$ and $$4$$ is $$12$$ .

What is the sum of $$\frac{1}{6} + \frac{2}{6}$$ ?

$$\frac{1}{6} + \frac{2}{6} = \frac{3}{6} = \frac{1}{2}$$ after simplification.

Adding and Subtracting Fractions with Common Denominators Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a fraction?

Back

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

2.

FLASHCARD QUESTION

Front

What is the numerator in a fraction?

Back

The numerator is the top number of a fraction that indicates how many parts we have.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

3.

FLASHCARD QUESTION

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number of a fraction that indicates how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

4.

FLASHCARD QUESTION

Front

How do you add fractions with the same denominator?

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

5.

FLASHCARD QUESTION

Front

How do you subtract fractions with the same denominator?

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

6.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

7.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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