Praxis Core: 1,001 Practice Questions For Dummies
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When you confront a problem on the Praxis Core exam where you're converting a fraction to a percent (or vice versa), the important thing to remember is that "per cent" stands for "per 100."

In the following practice questions, you start by converting a percentage to a fraction and then simplify the result, and then you have to convert a mixed fraction to a percent.

Practice questions

  1. Which of the following is 42 percent in simplest fraction form?


  2. Which of the following is


    expressed as a percent?


Answers and explanations

  1. The correct answer is Choice (C).

    First, write the percent as the fraction it represents. Remember that percent means "hundredths":


    Then simplify the fraction by dividing the numerator and denominator by their greatest common factor, which is 2:


  2. The correct answer is Choice (E).

    The first step is to write the mixed number as an improper fraction:


    The next step is to write the improper fraction as a decimal by dividing the numerator by the denominator:


    From decimal form, you can convert to percent form by moving the decimal two places to the right and putting a percent sign after the result. Remember that after the last nonzero digit after a decimal point, you can add as many zeros as you need to.


About This Article

This article is from the book:

About the book authors:

Carla Kirkland, founder and CEO of the Kirkland Group, an educational consulting firm, has helped educators prepare their students for standardized tests for more than 20 years.

Chan Cleveland, executive vice president of the Kirkland Group, is an English educator who has developed language arts resources for multiple school districts.

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