SSAT Upper Level Math : Operations with Fractions

Study concepts, example questions & explanations for SSAT Upper Level Math

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Example Questions

Example Question #201 : Number Concepts And Operations

Possible Answers:

Correct answer:

Explanation:

Turn the second fraction upside down to find its reciprocal, and then multiply the first fraction by the reciprocal of the second fraction to divide the two fractions. When multiplying fractions, you can multiply across, finding the products of the numbers being multiplied in the numerator and in the denominator.

Example Question #202 : Number Concepts And Operations

Possible Answers:

Correct answer:

Explanation:

Turn the second fraction upside down to find its reciprocal, and then multiply the first fraction by the reciprocal of the second fraction to divide the two fractions. When multiplying fractions, you can multiply across, finding the products of the numbers being multiplied in the numerator and in the denominator.

Example Question #203 : Number Concepts And Operations

Simplify the expression.

Possible Answers:

Correct answer:

Explanation:

Start with the terms in parentheses, using the order of operations. Find the least common denominator.

Add the fractions in parentheses.

Multiply the fractions and simplify.

Example Question #2 : How To Multiply Fractions

Simplify the expression .

Possible Answers:

Correct answer:

Explanation:

Beginning with , we multiply across both numerators and denominators for both terms:

Reducing the fraction to its simplest form by dividing by the Greatest Common Factor:

Example Question #151 : Rational Numbers

Simplify the expression .

Possible Answers:

Correct answer:

Explanation:

Multiplying across the numerators and denominators of both terms and simplifying:

Example Question #3 : How To Multiply Fractions

Simplify the expression .

Possible Answers:

Correct answer:

Explanation:

First, multiply straight across. Multiply the numerators together and then multiply the denominators together.

From here, simplify the expression by factoring out the Greatest Common Factor. 

In this case the Greatest Common Factor is 20.

Example Question #1 : How To Multiply Fractions

Steven runs a pizza shop. On Monday, he used  of a bag of flour. On Tuesday, he used  the amount he used on Monday. How much of a bag of flour did he use on Tuesday?

Possible Answers:

Correct answer:

Explanation:

To find how many bags of flour he used on Tuesday, multiply  by .

To multiply fractions, multiply the numerators together, then multiply the denominators together.

Example Question #5 : How To Multiply Fractions

In Mary's class,  of the class owns a dog, and of those in the class that own a dog,  also owns a cat. What fraction of the class owns both a dog and a cat?

Possible Answers:

Correct answer:

Explanation:

Multiply  by  to find out how much of the class have both a cat and a dog.

Example Question #3 : How To Multiply Fractions

A certain recipe for a batch of chocolate cookies calls for  of a cup of sugar to be used. If Mike only wants to make  of a batch, how much of a cup of sugar should he use?

Possible Answers:

Correct answer:

Explanation:

Multiply  by  to find out how much sugar he needs to use.

Example Question #6 : How To Multiply Fractions

A poll was conducted at a high school. The poll found that  of the students at the school had siblings, and that  of the students who had siblings also had a dog at home. What fraction of the students have siblings and a dog?

Possible Answers:

Correct answer:

Explanation:

To find what fraction of the students have siblings and a dog, multiply  by .

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