A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number). For example, in $$\frac{3}{4}$$ , 3 is the numerator and 4 is the denominator.

What is the result of $$\frac{1}{2} + \frac{1}{4}$$ ?

The result is $$\frac{3}{4}$$ .

What is the result of $$5 - \frac{2}{3}$$ ?

The result is $$\frac{13}{3}$$ .

How do you subtract $$\frac{29}{5} - \frac{21}{10}$$ ?

First, find a common denominator (10), convert $$\frac{29}{5}$$ to $$\frac{58}{10}$$ , then subtract: $$\frac{58}{10} - \frac{21}{10} = \frac{37}{10}$$ .

What does it mean to have a common denominator?

Having a common denominator means that two or more fractions share the same denominator, allowing for direct addition or subtraction of their numerators.

What is the formula for adding fractions?

The formula for adding fractions is: $$\frac{a}{b} + \frac{c}{d} = \frac{ad + bc}{bd}$$ , where a, b, c, and d are integers.

What is the formula for subtracting fractions?

The formula for subtracting fractions is: $$\frac{a}{b} - \frac{c}{d} = \frac{ad - bc}{bd}$$ , where a, b, c, and d are integers.

What is an improper fraction?

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

How do you check if a fraction is in simplest form?

A fraction is in simplest form if the numerator and denominator have no common factors other than 1.

Adding and Subtracting Fractions 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 add fractions with different denominators?

Back

To add fractions with different denominators, first find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then add the numerators.

3.

FLASHCARD QUESTION

Front

What is the first step in subtracting fractions?

Back

The first step in subtracting fractions is to ensure both fractions have a common denominator. If they do not, find the least common denominator (LCD).

4.

FLASHCARD QUESTION

Front

What is the least common denominator (LCD)?

Back

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

5.

FLASHCARD QUESTION

Front

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

Back

6.

FLASHCARD QUESTION

Front

What is a mixed number?

Back

7.

FLASHCARD QUESTION

Front

What is the process to simplify a fraction?

Back

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