Algebra I: 1001 Practice Problems For Dummies (+ Free Online Practice). Mary Jane Sterling

decimals to designated places

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.

      91.

      92.

      93.

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      96.

Multiplying Fractions

      97–100 Multiply the fractions and mixed numbers.

      97.

      98.

      99.

      100.

Dividing Fractions

      101–104 Divide the fractions and mixed numbers.

101.

      102.

      103.

      104.

Simplifying Complex Fractions

      105–110 Simplify the complex fractions.

      105.

      106.

      107.

      108.

      109.

      110.

Adding and Subtracting Decimals

      111–114 Find the sums and differences of the decimal numbers and variable expressions.

      111.

      112.

      113.

114.

Multiplying Decimals

      115–118 Find the products of the decimal numbers and variable expressions.

      115.

      116.

      117.

      118.

Dividing Decimals

      119–124 Find the quotients of the decimal numbers. Round the answer to three decimal places, if necessary.

      119.

      120.

      121.

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      124.

Changing Fractions to Decimals

      125–132 Rewrite each fraction as an equivalent decimal.

      125.

      126.

127.

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