Multiplying/Dividing Rational Numbers

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.

Tags

CCSS.5.NBT.A.2

Front

How do you multiply two rational numbers?

Back

To multiply two rational numbers, multiply their numerators together and their denominators together. Simplify the result if possible.

Tags

CCSS.7.NS.A.2C

Front

What is the product of -⅞ and -⅗?

Back

The product is 21/40.

Tags

CCSS.7.NS.A.2A

Front

What is the simplest form of 5/6?

Back

5/6 is already in simplest form.

Front

How do you divide two rational numbers?

Back

To divide two rational numbers, multiply the first number by the reciprocal of the second number.

Tags

CCSS.7.NS.A.2C

Front

What is the reciprocal of 3/4?

Back

The reciprocal of 3/4 is 4/3.

Front

What is 3.8 multiplied by 4?

Back

3.8 multiplied by 4 equals 15.2.

Tags

CCSS.6.NS.B.3

Front

What does it mean to simplify a fraction?

Back

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

Front

What is the product of 2/3 and 3/5?

Back

The product is 2/5.

Tags

CCSS.5.NF.B.6

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 that over the original denominator.