SSAT Middle Level Math : Fractions

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

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Example Questions

Example Question #1301 : Numbers And Operations

Linda is having her friends over for a game night. If each person at the game night will drink \(\displaystyle \frac{4}{5}\) of a liter of soda, and there will be \(\displaystyle 7\) people at the game night, the number of liters of soda that Linda and her friends will drink is between the numbers:

Possible Answers:

\(\displaystyle 6\) and \(\displaystyle 7\)

\(\displaystyle 7\) and \(\displaystyle 8\)

\(\displaystyle 8\) and \(\displaystyle 9\)

\(\displaystyle 4\) and \(\displaystyle 5\)

\(\displaystyle 5\) and \(\displaystyle 6\)

Correct answer:

\(\displaystyle 5\) and \(\displaystyle 6\)

Explanation:

\(\displaystyle \frac{7}{1}\times\frac{4}{5}=\frac{28}{5}\)

\(\displaystyle \frac{28}{5}=5\frac{3}{5}\) because \(\displaystyle 5\) can go into \(\displaystyle 25\) five times, with \(\displaystyle 3\) left over.

\(\displaystyle 5\frac{3}{5}\) is between the whole numbers \(\displaystyle 5\) and \(\displaystyle 6\).

Example Question #1 : How To Find The Decimal Equivalent Of A Fraction

Write the decimal equivalent of \(\displaystyle \frac{3}{400}\).

Possible Answers:

\(\displaystyle 0.0075\)

\(\displaystyle 0.006\)

\(\displaystyle 0.00625\)

\(\displaystyle 0.00675\)

\(\displaystyle 0.009\)

Correct answer:

\(\displaystyle 0.0075\)

Explanation:

\(\displaystyle \frac{3}{400} = 3 \div 400 = 0.0075\)

Example Question #2 : How To Find The Decimal Equivalent Of A Fraction

Express 0.014 as a fraction in lowest terms.

Possible Answers:

\(\displaystyle \frac{14}{1,000}\)

\(\displaystyle \frac{7}{200}\)

\(\displaystyle \frac{7}{2,000}\)

\(\displaystyle \frac{7}{50}\)

\(\displaystyle \frac{7}{500}\)

Correct answer:

\(\displaystyle \frac{7}{500}\)

Explanation:

The fraction has its last nonzero digit in the thousandths place, so write the number, without the decimal point, over 1,000. Then reduce.

\(\displaystyle \frac{14}{1,000} =\frac{14\div 2}{1,000\div 2} = \frac{7}{500}\)

Example Question #2 : How To Find The Decimal Equivalent Of A Fraction

Express \(\displaystyle \frac{3}{400}\) as a decimal.

Possible Answers:

\(\displaystyle 0.006\)

\(\displaystyle 0.00675\)

\(\displaystyle 0.009\)

\(\displaystyle 0.0075\)

\(\displaystyle 0.00625\)

Correct answer:

\(\displaystyle 0.0075\)

Explanation:

\(\displaystyle \frac{3}{400} = 3 \div 400 = 0.0075\)

Example Question #2 : How To Find The Decimal Equivalent Of A Fraction

Which of the following is NOT equal to \(\displaystyle 0.5 \bullet 20\)?

Possible Answers:

\(\displaystyle \frac{1}{5} \bullet 50\)

\(\displaystyle \frac{1}{4} \bullet 40\)

\(\displaystyle \frac{2}{3} \bullet 15\)

\(\displaystyle \frac{3}{4} \bullet 16\)

\(\displaystyle 2 \bullet 5\)

 

Correct answer:

\(\displaystyle \frac{3}{4} \bullet 16\)

Explanation:

All of the answer choices multiply to give you 10 except

 \(\displaystyle \frac{3}{4} \bullet 16\) 

so that is the correct answer.

Example Question #2 : How To Find The Decimal Equivalent Of A Fraction

What fractions equals \(\displaystyle 0.5\)?

Possible Answers:

\(\displaystyle \frac{8}{16}\)

\(\displaystyle \frac{8}{12}\)

\(\displaystyle \frac{8}{4}\)

\(\displaystyle \frac{8}{32}\)

\(\displaystyle \frac{8}{2}\)

Correct answer:

\(\displaystyle \frac{8}{16}\)

Explanation:

\(\displaystyle 0.5\) is equal to \(\displaystyle \frac{1}{2}\).  

Thus we are looking for a fraction that reduces to \(\displaystyle \frac{1}{2}\).

\(\displaystyle \frac{8}{12}\) reduces to \(\displaystyle \frac{2}{3}\) (divide numerator and denominator by 4).

\(\displaystyle \frac{8}{4}\) reduces to 2 (divide numerator and denominator by 4).  

\(\displaystyle \frac{8}{2}\) reduces to 4 (divide numerator and denominator by 2).

\(\displaystyle \frac{8}{32}\) reduces \(\displaystyle \frac{1}{4}\) (divide numerator and denominator by 4).

\(\displaystyle \frac{8}{16}\) is the only one that reduces to \(\displaystyle \frac{1}{2}\) (divide numerator and denominator by 8).

Example Question #3 : How To Find The Decimal Equivalent Of A Fraction

Write as a decimal: 

\(\displaystyle \frac{5}{9}\)

Possible Answers:

\(\displaystyle 0.5\overline{4}\)

\(\displaystyle 0.\overline{54}\)

\(\displaystyle 0.\overline{5}\)

\(\displaystyle 0.5\)

\(\displaystyle 0.\overline{45}\)

Correct answer:

\(\displaystyle 0.\overline{5}\)

Explanation:

\(\displaystyle 5 \div 9 = 0.5555...\)

That is, the digit 5 will repeat infinitely. This can be written as \(\displaystyle 0.\overline{5}\).

Example Question #4 : How To Find The Decimal Equivalent Of A Fraction

Write as a decimal:

\(\displaystyle \frac{9}{11}\)

Possible Answers:

\(\displaystyle 0.\overline{81}\)

\(\displaystyle 0.9\)

\(\displaystyle 0.8\overline{1}\)

\(\displaystyle 0.81\)

\(\displaystyle 0.\overline{8}\)

Correct answer:

\(\displaystyle 0.\overline{81}\)

Explanation:

\(\displaystyle 9 \div 11 = 0.81818181...\)

That is, the group "81" will repeat infinitely. This quotient can be written as \(\displaystyle 0.\overline{81}\).

Example Question #5 : How To Find The Decimal Equivalent Of A Fraction

Rewrite as a decimal: 

\(\displaystyle \frac{7}{12}\)

Possible Answers:

\(\displaystyle 0.58\overline{3}\)

\(\displaystyle 0.5\overline{3}\)

\(\displaystyle 0.58\)

\(\displaystyle 0.575\)

\(\displaystyle 0.\overline{53}\)

Correct answer:

\(\displaystyle 0.58\overline{3}\)

Explanation:

\(\displaystyle 7 \div 12 = 0.583333...\)

That is, after 5 and 8, the digit 3 will repeat infinitely. This can be rewritten as \(\displaystyle 0.58\overline{3}\).

Example Question #6 : How To Find The Decimal Equivalent Of A Fraction

Write as a decimal:

\(\displaystyle \frac{5}{18}\)

Possible Answers:

\(\displaystyle 0.27\)

\(\displaystyle 0.2727\)

\(\displaystyle 0.\overline{27}\)

\(\displaystyle 0.2\overline{7}\)

\(\displaystyle 0.\overline{277}\)

Correct answer:

\(\displaystyle 0.2\overline{7}\)

Explanation:

\(\displaystyle 5 \div 18 = 0.27777...\)

That is, after the 2, the digit 7 repeats infinitely. This can be rewritten as \(\displaystyle 0.2\overline{7}\).

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