Rational Number Operations

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 result of dividing a positive integer by a negative integer?

Back

The result is a negative integer.

Front

What is the result of dividing a negative integer by a negative integer?

Back

The result is a positive integer.

Front

How do you add a positive and a negative rational number?

Back

To add a positive and a negative rational number, subtract the absolute values and take the sign of the number with the larger absolute value.

Front

What is the process for multiplying two rational numbers?

Back

To multiply two rational numbers, multiply their numerators together and their denominators together.

Front

How do you simplify a fraction?

Back

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

Front

What is the mixed number representation of the improper fraction 13/5?

Back

The mixed number representation is 2 3/5.

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 that over the original denominator.

Front

What is the value of 2.5 + (-1.6)?

Back

The value is 0.9.