Positive Rational Number Operations Review

Front

What does the 'F' in KCF/SSF stand for when dividing fractions?

Back

Flip, which means to find the reciprocal of a fraction.

Front

How do you find out how much more money Liana needs to buy a scrapbook that costs $9.55 if she has $7.89?

Back

Subtract: $9.55 - $7.89 = $1.66.

Front

If a model train is 16 inches long and each car is 3 and 1/5 inches long, how many cars are in the train?

Back

5 cars.

Front

Back

8.

Front

If a city has 864 law enforcement officers and they are divided equally into 16 groups, how many officers will be in each group?

Back

54 officers.

Front

What is a positive rational number?

Back

A number that can be expressed as the quotient of two integers, where the numerator is a positive integer and the denominator is a non-zero integer.

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator.

Front

How do you add two fractions with different denominators?

Back

Find a common denominator, convert the fractions, and then add the numerators.

Front

What is the process for multiplying fractions?

Back

Multiply the numerators together and multiply the denominators together.

Front

What is the first step in dividing fractions?

Back

Find the reciprocal of the divisor (the second fraction).