Operations with 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.

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 the result over the original denominator.

Front

What is the result of dividing a positive number by a negative number?

Back

The result is negative.

Front

What is the result of adding two negative numbers?

Back

The result is negative.

Front

What is the result of subtracting a positive number from a negative number?

Back

The result is more negative (or less than the original negative number).

Front

What is the rule for multiplying two negative numbers?

Back

The result is positive.

Front

Solve: 2 ⅜ ÷ -1 ¾

Back

-1 5/14

Front

Solve: -9 + (-5)

Back

-14

Front

What is the result of multiplying a negative number by a positive number?

Back

The result is negative.

Front

Solve: 44 ÷ -4

Back

-11