SSAT Middle Level Math : How to subtract fractions

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

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Example Questions

Example Question #11 : How To Subtract Fractions

Which of the following expressions is equal to   ?

Possible Answers:

Correct answer:

Explanation:

Rewrite  as a decimal:

, so 

Now subtract:

 

 

 

Example Question #11 : How To Subtract Fractions

Find .

Possible Answers:

Correct answer:

Explanation:

When substracting one fraction from another, first find the common denominator, then subtract one numerator from another.

Example Question #13 : How To Subtract Fractions

Evaluate:

Possible Answers:

Correct answer:

Explanation:

By the order of operations, carry out the multiplication first, then the leftmost subtraction, then the rightmost subtraction:

Example Question #12 : How To Subtract Fractions

Which of the following is the difference of five-sevenths and one-half?

Possible Answers:

The correct answer is not among the other responses.

Correct answer:

The correct answer is not among the other responses.

Explanation:

Since , we must rewrite each number as its equivalent in fourteenths, then subtract numerators, as follows:

Example Question #13 : How To Subtract Fractions

Which of the following is the difference of five-sevenths and one-half?

Possible Answers:

Correct answer:

Explanation:

Since , rewrite each fraction as its equivalent in fourteenths and subtract the numerators:

Example Question #1562 : Ssat Middle Level Quantitative (Math)

The time is now 1:32 PM. What time was it three hours and seventeen minutes ago?

Possible Answers:

The correct answer is not given among the other choices.

Correct answer:

Explanation:

One hour and thirty-two minutes have elapsed since midnight. Since three hours and seventeen minutes make a greater quantity, we need to look at this as thirteen hours and thirty-two minutes having elapsed since noon. 

We can subtract hours, then subtract minutes:

 

 

The time was 10:15 AM.

Example Question #14 : How To Subtract Fractions

Which of the following is the difference of seven tenths and seventeen hundredths?

Possible Answers:

Correct answer:

Explanation:

Seven tenths is equal to 0.7; seventeen hundredths is equal to 0.17. Subtract them, rewriting 0.7 as 0.70;

     

     

Example Question #3056 : Isee Lower Level (Grades 5 6) Quantitative Reasoning

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first have to find common denominators. 

Now that we have common denominators, we can subtract the fractions. Remember, when we add and subtract fractions, we only add or subtract the numerator. 

Example Question #1 : Subtract Fractions With Unlike Denominators

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first have to find common denominators. 

Now that we have common denominators, we can subtract the fractions. Remember, when we add and subtract fractions, we only add or subtract the numerator. 

Example Question #18 : How To Subtract Fractions

Solve:

 

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first have to find common denominators. 

Now that we have common denominators, we can subtract the fractions. Remember, when we add and subtract fractions, we only add or subtract the numerator. 

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