HSPT Math : Fractions

Study concepts, example questions & explanations for HSPT Math

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Example Questions

Example Question #121 : Fractions

Find the sum:

\(\displaystyle \frac{2}{10}+\frac{5}{10}=\)

Possible Answers:

\(\displaystyle \frac{1}{10}\)

\(\displaystyle \frac{7}{10}\)

\(\displaystyle \frac{10}{100}\)

\(\displaystyle \frac{3}{10}\)

Correct answer:

\(\displaystyle \frac{7}{10}\)

Explanation:

Since the denominators of the two fractions are the same, we can simply add the numerators:

\(\displaystyle \frac{2}{10}+\frac{5}{10}=\frac{7}{10}\)

 

Example Question #122 : Fractions

Find the sum:

\(\displaystyle \frac{6}{20}+\frac{7}{20}=\)

Possible Answers:

\(\displaystyle \frac{1}{20}\)

\(\displaystyle \frac{6}{40}\)

\(\displaystyle \frac{13}{40}\)

\(\displaystyle \frac{13}{20}\)

Correct answer:

\(\displaystyle \frac{13}{20}\)

Explanation:

Since the denominators of the two fractions are the same, we can simply add the numerators:

\(\displaystyle \frac{6}{20}+\frac{7}{20}=\frac{13}{20}\)

Example Question #123 : Fractions

Find the sum:

\(\displaystyle \frac{6}{50}+\frac{11}{50}=\)

Possible Answers:

\(\displaystyle \frac{66}{50}\)

\(\displaystyle \frac{17}{100}\)

\(\displaystyle \frac{17}{50}\)

\(\displaystyle \frac{66}{2500}\)

Correct answer:

\(\displaystyle \frac{17}{50}\)

Explanation:

Since the denominators of the two fractions are the same, we can simply add the numerators:

\(\displaystyle \frac{6}{50}+\frac{11}{50}=\frac{17}{50}\)

Example Question #124 : Fractions

Solve:

\(\displaystyle \frac{2}{9}+\frac{3}{4}=\)

Possible Answers:

\(\displaystyle \frac{35}{36}\)

\(\displaystyle \frac{5}{36}\)

\(\displaystyle \frac{5}{13}\)

\(\displaystyle \frac{6}{36}\)

Correct answer:

\(\displaystyle \frac{35}{36}\)

Explanation:

Find the least common denominator between \(\displaystyle 9\) and \(\displaystyle 4\). In this case, it is \(\displaystyle 36\).

\(\displaystyle \frac{2}{9}=\frac{8}{36}\)

\(\displaystyle \frac{3}{4}=\frac{27}{36}\)

\(\displaystyle \frac{8}{36}+\frac{27}{36}=\frac{35}{36}\)

Example Question #125 : Fractions

\(\displaystyle \frac{5}{20}+\frac{4}{20}=\)

Possible Answers:

\(\displaystyle \frac{54}{20}\)

\(\displaystyle \frac{1}{20}\)

\(\displaystyle \frac{9}{20}\)

\(\displaystyle \frac{15}{20}\)

Correct answer:

\(\displaystyle \frac{9}{20}\)

Explanation:

Add the numerators and keep the denominator:

\(\displaystyle \frac{5}{20}+\frac{4}{20}=\frac{9}{20}\)

Answer: \(\displaystyle \frac{9}{20}\)

Example Question #126 : Fractions

\(\displaystyle \frac{6}{35}+\frac{17}{35}=\)

Possible Answers:

\(\displaystyle \frac{32}{35}\)

\(\displaystyle \frac{34}{35}\)

\(\displaystyle \frac{11}{35}\)
\(\displaystyle \frac{23}{35}\)
Correct answer:
\(\displaystyle \frac{23}{35}\)
Explanation:

Add the numerators and keep the denominator:

\(\displaystyle \frac{6}{35}+\frac{17}{35}=\frac{23}{35}\)

Answer: \(\displaystyle \frac{23}{35}\)

Example Question #127 : Fractions

\(\displaystyle \frac{32}{99}+\frac{5}{99}=\)

Possible Answers:

\(\displaystyle \frac{27}{99}\)

\(\displaystyle \frac{37}{99}\)

\(\displaystyle 99\)

\(\displaystyle 37\)

Correct answer:

\(\displaystyle \frac{37}{99}\)

Explanation:

Add the numerators and keep the denominator the same:

\(\displaystyle \frac{32}{99}+\frac{5}{99}=\frac{37}{99}\)

Answer: \(\displaystyle \frac{37}{99}\)

Example Question #128 : Fractions

\(\displaystyle \frac{12}{19}+\frac{7}{19}=\)

Possible Answers:

\(\displaystyle \frac{5}{19}\)

\(\displaystyle 19\)

\(\displaystyle \frac{18}{19}\)

\(\displaystyle 1\)

Correct answer:

\(\displaystyle 1\)

Explanation:

Add the numerators and keep the denominator the same. Then, simplify:

\(\displaystyle \frac{12}{19}+\frac{7}{19}=\frac{19}{19}=1\)

Answer: \(\displaystyle 1\)

Example Question #129 : Fractions

\(\displaystyle \frac{22}{29}+\frac{36}{29}=\)

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle \frac{10}{29}\)

\(\displaystyle \frac{32}{29}\)

\(\displaystyle 1\)

Correct answer:

\(\displaystyle 2\)

Explanation:

Add the numerators and keep the denominator the same. Then, reduce:

\(\displaystyle \frac{22}{29}+\frac{36}{29}=\frac{58}{29}=2\)

Answer: \(\displaystyle 2\)

Example Question #130 : Fractions

\(\displaystyle \frac{6}{13}+\frac{7}{13}=\)

Possible Answers:

\(\displaystyle 13\)

\(\displaystyle 1\)

\(\displaystyle 11\)

\(\displaystyle \frac{1}{13}\)

Correct answer:

\(\displaystyle 1\)

Explanation:

Add the numerators and keep the denominator; then, reduce:

\(\displaystyle \frac{6}{13}+\frac{7}{13}=\frac{13}{13}=1\)

Answer: \(\displaystyle 1\)

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