Chapter 9


Fractions are a common way of describing parts of a whole. They’re commonly used for English weights and measures, especially for small measurements in cooking and carpentry.

The Problems You’ll Work On

Here are the skills that you focus on in this chapter:

check.png Converting improper fractions to mixed numbers, and vice versa

check.png Increasing the terms of fractions and reducing fractions to lowest terms

check.png Cross-multiplying to compare the size of two fractions

check.png Applying the Big Four operations (adding, subtracting, multiplying, and dividing) to fractions and mixed numbers

check.png Simplifying complex fractions

What to Watch Out For

Here are a few things to remember as you begin to solve the problems in this chapter:

check.png Remember that the numerator of a fraction is the top number and the denominator is the bottom number.

The reciprocal of a fraction is that fraction turned upside-down. For example, ...

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