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 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 process for subtracting rational numbers?

Back

To subtract rational numbers, find a common denominator, convert the fractions, and then subtract the numerators.

Front

How do you multiply two fractions?

Back

To multiply two fractions, multiply the numerators together and the denominators together.

Front

What is the rule for dividing fractions?

Back

To divide fractions, multiply by the reciprocal of the divisor.

Front

What is the simplest form of a fraction?

Back

A fraction is in simplest form when the numerator and denominator have no common factors other than 1.

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 result of -3 3/4 ÷ 5 1/2?

Back

The result is -15/22.

Front

What is the result of 45.03 - 0.67?

Back

The result is 44.36.

Front

What is the result of 2 6/9 + (-5 1/4)?

Back

The result is -2 7/12.