What to Watch Out For
Don’t let common mistakes trip you up; remember the following when working with fractions and decimals:
Finding the least common denominator of fractions before adding or subtracting
Recognizing the numerators and denominators in the numerator and denominator of a complex fraction
Reducing fractions correctly by dividing by factors, not terms
Recognizing the correct decimal place when rounding
Adding and Subtracting Fractions
91–96 Find the sums and differences of the fractions.
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Multiplying Fractions
97–100 Multiply the fractions and mixed numbers.
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Dividing Fractions
101–104 Divide the fractions and mixed numbers.
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Simplifying Complex Fractions
105–110 Simplify the complex fractions.
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Adding and Subtracting Decimals
111–114 Find the sums and differences of the decimal numbers and variable expressions.
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Multiplying Decimals
115–118 Find the products of the decimal numbers and variable expressions.
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Dividing Decimals
119–124 Find the quotients of the decimal numbers. Round the answer to three decimal places, if necessary.
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Changing Fractions to Decimals
125–132 Rewrite each fraction as an equivalent decimal.
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