Rational Numbers Operations Flashcard

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.

Front

How do you add two rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert each fraction, and then add the numerators.

Front

What is the product of two rational numbers?

Back

The product of two rational numbers is found by multiplying their numerators together and their denominators together.

Front

How do you divide rational numbers?

Back

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

Front

What is the sum of -3.2 and 5.7?

Back

The sum is 2.5.

Front

Back

Front

What is the difference between a positive and a negative rational number?

Back

A positive rational number is greater than zero, while a negative rational number is less than zero.

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

Back

The diameter of 8 bats is 14 inches.

Front

What is the product of 3.5 and 2.4?

Back

The product is 8.4.