ISEE Middle Level Math : Fractions

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

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Example Questions

Example Question #231 : Fractions

Add: \(\displaystyle \frac{52}{90}+\frac{10}{90}=\)

Possible Answers:

\(\displaystyle 62\)

\(\displaystyle \frac{42}{90}\)

\(\displaystyle \frac{31}{45}\)

\(\displaystyle 42\)

\(\displaystyle \frac{62}{180}\)

Correct answer:

\(\displaystyle \frac{31}{45}\)

Explanation:

Add the numerators and keep the denominators the same:

\(\displaystyle \frac{52}{90}+\frac{10}{90}=\frac{62}{90}\)

Reduce the fraction: \(\displaystyle \frac{62\div 2}{90\div 2}=\frac{31}{45}\)

Example Question #41 : How To Add Fractions

\(\displaystyle \frac{16}{20}+\frac{4}{20}=\)

Possible Answers:

\(\displaystyle \frac{20}{40}\)

\(\displaystyle \frac{1}{2}\)

\(\displaystyle \frac{36}{24}\)

\(\displaystyle \frac{12}{20}\)

\(\displaystyle 1\)

Correct answer:

\(\displaystyle 1\)

Explanation:

Add the numerators:

\(\displaystyle \frac{16}{20}+\frac{4}{20}=\frac{20}{20}=1\)

 

Example Question #42 : How To Add Fractions

Add: \(\displaystyle \frac{5}{10}+\frac{4}{10}=\)

Possible Answers:

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

\(\displaystyle 9\)

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

\(\displaystyle \frac{9}{10}\)

\(\displaystyle .9\)

Correct answer:

\(\displaystyle \frac{9}{10}\)

Explanation:

Add the numerators and leave the denominators the same:

\(\displaystyle \frac{5}{10}+\frac{4}{10}=\frac{9}{10}\)

Answer:\(\displaystyle \frac{9}{10}\)

Example Question #43 : How To Add Fractions

Add: \(\displaystyle \frac{1}{12}+\frac{6}{12}=\)

Possible Answers:

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

\(\displaystyle 9\)

\(\displaystyle 7\)

\(\displaystyle .7\)

\(\displaystyle 12\)

Correct answer:

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

Explanation:

Add the numerators and leave the denominators the same:

\(\displaystyle \frac{1}{12}+\frac{6}{12}=\frac{7}{12}\)

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

Example Question #1381 : Ssat Middle Level Quantitative (Math)

Add:

\(\displaystyle \frac{2}{15}+\frac{5}{15}=\)

Possible Answers:

\(\displaystyle \frac{5}{15}\)

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

\(\displaystyle \frac{7}{30}\)

\(\displaystyle \frac{7}{15}\)

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

Correct answer:

\(\displaystyle \frac{7}{15}\)

Explanation:

Add the numerators and leave the denominators the same:

\(\displaystyle \frac{2}{15}+\frac{5}{15}=\frac{7}{15}\)

Answer: \(\displaystyle \frac{7}{15}\)

Example Question #1383 : Ssat Middle Level Quantitative (Math)

Add:

\(\displaystyle \frac{3}{12}+\frac{4}{12}=\)

Possible Answers:

\(\displaystyle 7\)

\(\displaystyle \frac{1}{12}\)

\(\displaystyle \frac{10}{12}\)

\(\displaystyle -\frac{1}{12}\)

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

Correct answer:

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

Explanation:

Add the numerators and leave the denominators the same:

\(\displaystyle \frac{3}{12}+\frac{4}{12}=\frac{7}{12}\)

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

Example Question #151 : Fractions

Solve:

\(\displaystyle \frac{11}{13}+\frac{1}{13}=\)

Possible Answers:

\(\displaystyle \frac{12}{13}\)

\(\displaystyle \frac{10}{13}\)

\(\displaystyle 13\)

\(\displaystyle 12\)

Correct answer:

\(\displaystyle \frac{12}{13}\)

Explanation:

Add the numerators and leave the denominators the same:

\(\displaystyle \frac{11}{13}+\frac{1}{13}=\frac{12}{13}\)

Answer: \(\displaystyle \frac{12}{13}\)

Example Question #41 : How To Add Fractions

Solve:

\(\displaystyle \frac{10}{22}+\frac{9}{22}=\)

Possible Answers:

\(\displaystyle \frac{1}{22}\)

\(\displaystyle \frac{19}{22}\)

\(\displaystyle 19\)

\(\displaystyle 22\)

Correct answer:

\(\displaystyle \frac{19}{22}\)

Explanation:

Add the numerators and leave the denominators the same:

\(\displaystyle \frac{10}{22}+\frac{9}{22}=\frac{19}{22}\)

Answer: \(\displaystyle \frac{19}{22}\)

Example Question #42 : How To Add Fractions

Solve:

\(\displaystyle \frac{6}{14}+\frac{3}{14}=\)

Possible Answers:

\(\displaystyle 14\)

\(\displaystyle \frac{9}{14}\)

\(\displaystyle \frac{3}{14}\)

\(\displaystyle 9\)

Correct answer:

\(\displaystyle \frac{9}{14}\)

Explanation:

Add the numerators and leave the denominators the same:

\(\displaystyle \frac{6}{14}+\frac{3}{14}=\frac{9}{14}\)

Answer: \(\displaystyle \frac{9}{14}\)

Example Question #41 : How To Add Fractions

Which of the following is the sum of sixty-seven tenths, sixty-seven hundredths, and sixty-seven ten-thousandths?

Possible Answers:

\(\displaystyle 7.437\)

\(\displaystyle 6.767\)

\(\displaystyle 7.3767\)

\(\displaystyle 7.3337\)

\(\displaystyle 6.76767\)

Correct answer:

\(\displaystyle 7.3767\)

Explanation:

Sixty-seven tenths, sixty-seven hundredths, and sixty-seven ten-thousandths can be rewritten as 6.7, 0.67, and 0.0067, respectively. Add, appending zeroes at the end of each number as needed:

\(\displaystyle \begin{matrix} &6.7000 \\ & 0.6700\\ +&\underline{0.0067} \\ & 7.3767 \end{matrix}\)

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