Convert $$\frac{7}{8}$$ to a fraction with a denominator of 24.

$$\frac{7}{8} = \frac{7 \times 3}{8 \times 3} = \frac{21}{24}$$ .

Convert $$\frac{1}{3}$$ to a fraction with a denominator of 24.

$$\frac{1}{3} = \frac{1 \times 8}{3 \times 8} = \frac{8}{24}$$ .

What is the sum of $$\frac{21}{24}$$ and $$\frac{8}{24}$$ ?

$$\frac{21}{24} + \frac{8}{24} = \frac{29}{24}$$ .

What is the result of subtracting $$\frac{1}{2}$$ from $$\frac{3}{5}$$ ?

First, convert both fractions to have a common denominator, then subtract: $$\frac{3}{5} - \frac{1}{2} = \frac{1}{10}$$ .

What is the importance of simplifying fractions?

Simplifying fractions makes them easier to understand and work with. It involves reducing the fraction to its lowest terms.

What does it mean to simplify $$\frac{29}{24}$$ ?

$$\frac{29}{24}$$ is already in its simplest form because 29 and 24 have no common factors.

Can you add fractions with unlike denominators directly?

No, you cannot add fractions with unlike denominators directly. You must first find a common denominator.

What is an example of a fraction that cannot be simplified?

$$\frac{5}{7}$$ cannot be simplified because 5 and 7 have no common factors other than 1.

What is the difference between $$\frac{3}{5}$$ and $$\frac{1}{2}$$ ?

The difference is $$\frac{1}{10}$$ after finding a common denominator and subtracting.

Why is it important to understand adding and subtracting fractions?

Understanding how to add and subtract fractions is essential for solving real-world problems involving parts of a whole.

Adding & Subtracting Fractions w/ Unlike Denominators Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

2.

FLASHCARD QUESTION

Front

What does it mean to have unlike denominators?

Back

Tags

CCSS.5.NF.B.5B

3.

FLASHCARD QUESTION

Front

How do you add fractions with unlike denominators?

Back

To add fractions with unlike denominators, first find a common denominator, convert each fraction, and then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4.

FLASHCARD QUESTION

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share. It is used to add or subtract fractions.

5.

FLASHCARD QUESTION

Front

Back

The first step is to find the least common denominator (LCD) of 8 and 3, which is 24.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

6.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

7.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

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