What is the rule for dividing fractions?

Multiply by the reciprocal of the divisor.

What is the least common denominator (LCD)?

The smallest multiple that is common to the denominators of two or more fractions.

How do you simplify a fraction?

Divide the numerator and denominator by their greatest common factor (GCF).

Resource Library

Math

Number Sense

Multiplying And Dividing Rational Numbers

Multiplying and Dividing Rational Numbers

Flashcard

•

Mathematics

•

7th Grade

•

Practice Problem

•

Hard

•

CCSS

7.NS.A.2A, 5.NF.B.6, 6.NS.A.1

Standards-aligned

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16 questions

Show all answers

FLASHCARD QUESTION

Front

What do you do when multiplying fractions?

Back

Multiply top times top and bottom times bottom.

Tags

CCSS.5.NF.B.6

FLASHCARD QUESTION

Front

What is the result of $\frac{-2}{3} \times \frac{2}{9}$ ?

Back

$\frac{-4}{27}$

Tags

CCSS.7.NS.A.2A

FLASHCARD QUESTION

Front

What is $\frac{1}{5} \div \frac{2}{5}$ ?

Back

$\frac{1}{2}$

Tags

CCSS.6.NS.A.1

FLASHCARD QUESTION

Front

What is $\frac{-8}{9} \div \left(\frac{-8}{9}\right)$ ?

Back

Tags

CCSS.7.NS.A.2B

FLASHCARD QUESTION

Front

Evaluate and simplify: $3\frac{3}{4} \cdot \frac{1}{2}$

Back

$\frac{15}{8}$

Tags

CCSS.5.NF.B.6

FLASHCARD QUESTION

Front

What is a rational number?

Back

A number that can be expressed as a fraction $\frac{a}{b}$ where $a$ and $b$ are integers and $b \neq 0$ .

Tags

CCSS.5.NBT.A.2

FLASHCARD QUESTION

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place over the original denominator.

FLASHCARD QUESTION

Front

What is the reciprocal of a fraction?

Back

The reciprocal of $\frac{a}{b}$ is $\frac{b}{a}$ .

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