Rational Number Review

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 convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative.

Front

What is the result of adding a positive number to a negative number?

Back

The result can be positive, negative, or zero, depending on the absolute values of the numbers.

Front

How do you subtract a negative number from a positive number?

Back

Subtracting a negative number is the same as adding its absolute value.

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is positive.

Front

What is the product of a positive number and a negative number?

Back

The product of a positive number and a negative number is negative.

Front

How do you find a common denominator for two fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Front

What is the process for adding fractions with different denominators?

Back

Convert the fractions to have a common denominator, then add the numerators and keep the common denominator.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).