How do you order fractions from least to greatest?

To order fractions from least to greatest, convert them to a common denominator or to decimal form, then compare their values.

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

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

What is the definition of a negative rational number?

A negative rational number is a rational number that is less than zero, represented with a negative sign.

How do you simplify the expression $$\frac{1}{2} + \frac{1}{4}$$ ?

To simplify, find a common denominator: $$\frac{1}{2} = \frac{2}{4}$$ , so $$\frac{2}{4} + \frac{1}{4} = \frac{3}{4}$$ .

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

A proper fraction has a numerator smaller than its denominator (e.g., $$\frac{3}{4}$$ ), while an improper fraction has a numerator larger than or equal to its denominator (e.g., $$\frac{5}{4}$$ ).

How do you convert a decimal to a fraction?

To convert a decimal to a fraction, write the decimal over 1, multiply numerator and denominator by 10 for each digit after the decimal, and simplify. For example, $$0.75 = \frac{75}{100} = \frac{3}{4}$$ .

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

Finding a common denominator is crucial because it allows you to combine fractions accurately by ensuring they represent the same size parts.

Adding and Subtracting Rational Numbers Flashcards

Student preview

14 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

2.

FLASHCARD QUESTION

Front

How do you add two rational numbers with the same denominator?

Back

3.

FLASHCARD QUESTION

Front

How do you add two rational numbers with different denominators?

Back

4.

FLASHCARD QUESTION

Front

What is the process for subtracting rational numbers?

Back

5.

FLASHCARD QUESTION

Front

Back

The result is 4.

6.

FLASHCARD QUESTION

Front

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

Back

7.

FLASHCARD QUESTION

Front

Back

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