SSAT Middle Level Math : Fractions

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

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Example Questions

Example Question #1 : Fractions

\displaystyle Z is larger than 0.  Which of the following could be equal to \displaystyle 3 \times Z?

 

I.  \displaystyle 6

II. \displaystyle 2\frac{2}{7}

 

III. \displaystyle 8

Possible Answers:

I, II and III

I and II

II only

III only

I only

Correct answer:

I, II and III

Explanation:

All of the answers can be divided by 3 to yield an answer larger than zero.  In fact, any positive number would be a viable answer.

Example Question #1142 : Ssat Middle Level Quantitative (Math)

Express the quotient as a fraction in lowest terms: 

\displaystyle 5 \frac{3}{5} \div 4 \frac{1}{5}

Possible Answers:

\displaystyle 1 \frac{1}{4}

\displaystyle \frac{4}{5}

\displaystyle 1 \frac{3}{4}

\displaystyle 1 \frac{1}{3}

\displaystyle \frac{3}{4}

Correct answer:

\displaystyle 1 \frac{1}{3}

Explanation:

Rewrite the mixed fractions as improper fractions, change to a multiplication by inverting the second, cross-cancel, and multiply across:

 \displaystyle 5 \frac{3}{5} \div 4 \frac{1}{5} = \frac{28}{5 } \div \frac{21}{5 } = \frac{28}{5 } \cdot \frac{5}{21 }= \frac{4}{1 } \cdot \frac{1}{3 }= \frac{4}{3 } 

Example Question #2 : Fractions

Express the quotient as a fraction in lowest terms: 

\displaystyle 4 \frac{1}{5} \div 5 \frac{3}{5}

Possible Answers:

\displaystyle \frac{6}{7}

\displaystyle 1 \frac{1}{4}

\displaystyle \frac{5}{7}

\displaystyle 1 \frac{1}{3}

\displaystyle \frac{3}{4}

Correct answer:

\displaystyle \frac{3}{4}

Explanation:

Rewrite the mixed fractions as improper fractions, change to a multiplication by inverting the second, cross-cancel, and multiply across:

\displaystyle 4 \frac{1}{5} \div 5 \frac{3}{5} = \frac{21}{5} \div \frac{28}{5} = \frac{21}{5} \cdot \frac{5}{28} = \frac{3}{1} \cdot \frac{1}{4} = \frac{3}{4}

Example Question #2 : How To Divide Fractions

Evaluate:

\displaystyle \frac{12}{5} \div \frac{4}{25}

Possible Answers:

\displaystyle \frac{5}{3}

\displaystyle 15

\displaystyle \frac{3}{5}

\displaystyle \frac{1}{15}

\displaystyle \frac{8}{25}

Correct answer:

\displaystyle 15

Explanation:

Multiply by the reciprocal, cross-cancel, then multiply numerators and denominators:

\displaystyle \frac{12}{5} \div \frac{4}{25} = \frac{12}{5} \times \frac{25}{4} = \frac{3}{1} \times \frac{5}{1} = \frac{15}{1} = 15

Example Question #64 : Fractions

Evaluate:

\displaystyle \frac{4}{25} \div \frac{12}{5}

Possible Answers:

\displaystyle \frac{5}{3}

\displaystyle \frac{3}{5}

\displaystyle \frac{1}{15}

\displaystyle \frac{8}{25}

\displaystyle 15

Correct answer:

\displaystyle \frac{1}{15}

Explanation:

Multiply by the reciprocal, cross-cancel, then multiply numerators and denominators:

\displaystyle \frac{4}{25} \div \frac{12}{5} = \frac{4}{25} \times \frac{5}{12} = \frac{1}{5} \times \frac{1}{3} = \frac{1}{15}

Example Question #3 : Fractions

Evaluate:

\displaystyle \frac{5}{8} \div \frac{25}{16}

Possible Answers:

\displaystyle \frac{4}{5}

\displaystyle \frac{2}{5}

\displaystyle \frac{5}{4}

\displaystyle \frac{5}{2}

\displaystyle \frac{1}{10}

Correct answer:

\displaystyle \frac{2}{5}

Explanation:

Multiply by the reciprocal, cross-cancel, then multiply numerators and denominators:

\displaystyle \frac{5}{8} \div \frac{25}{16} = \frac{5}{8} \times \frac{16}{25} = \frac{1}{1} \times \frac{2}{5} = \frac{2}{5}

Example Question #1 : How To Divide Fractions

Evaluate:

\displaystyle \frac{8}{5} \div \frac{24}{35}

Possible Answers:

\displaystyle \frac{3}{7}

\displaystyle \frac{1}{21}

\displaystyle \frac{3}{8}

\displaystyle \frac{8}{3}

\displaystyle \frac{7}{3}

Correct answer:

\displaystyle \frac{7}{3}

Explanation:

Multiply by the reciprocal, cross-cancel, then multiply numerators and denominators:

\displaystyle \frac{8}{5} \div \frac{24}{35} = \frac{8}{5} \times \frac{35}{24} = \frac{1}{1} \times \frac{7}{3} =\frac{7}{3}

Example Question #951 : Hspt Mathematics

Evaluate:

\displaystyle 3 \div \frac{1}{12}

Possible Answers:

\displaystyle \frac{1}{4}

\displaystyle 36

\displaystyle 48

\displaystyle \frac{1}{36}

\displaystyle 4

Correct answer:

\displaystyle 36

Explanation:

\displaystyle 3 \div \frac{1}{12} = \frac{3}{1} \div \frac{1}{12} = \frac{3}{1}\times \frac{12}{1} = 3 \times 12 = 36

Example Question #2 : Fractions

Evaluate:

\displaystyle 18 \div \frac{1}{6}

Possible Answers:

\displaystyle 9

\displaystyle 108

\displaystyle 3

\displaystyle \frac{1}{3}

\displaystyle \frac{1}{108}

Correct answer:

\displaystyle 108

Explanation:

\displaystyle 18 \div \frac{1}{6} = \frac{18}{1} \div \frac{1}{6} = \frac{18}{1} \times \frac{6}{1} = 18 \times 6 = 108

Example Question #491 : Numbers And Operations

Evaluate: 

\displaystyle 6.51 + 4.2 \div 14

Possible Answers:

\displaystyle 0.765

\displaystyle 6.54

\displaystyle 7.65

\displaystyle 6.81

\displaystyle 9.51

Correct answer:

\displaystyle 6.81

Explanation:

By order of operations, divide first. Since the divisor is a whole number, divide as is:

\displaystyle 4.2 \div 14 = 0.3

Add this quotient to 6.51.

\displaystyle 6.51 + 4.2 \div 14 = 6.51 + 0.3

Add vertically, aligning the decimal points (appending a zero to 0.3):

\displaystyle 6.51

\displaystyle \underline{0.30}

\displaystyle 6.81

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