SSAT Upper Level Math : Rational Numbers

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

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Example Questions

Example Question #251 : Rational Numbers

Which of the following fractions is closest to 0.6?

Possible Answers:

Correct answer:

Explanation:

For each fraction, divide each numerator by its denominator to get its decimal representation, then subtract to find its difference from 0.6.

 

 is the closest to 0.6 of the five.

Example Question #11 : Decimals With Fractions

Give the decimal equivalent of .

Possible Answers:

Correct answer:

Explanation:

Divide 1 by 6; the result is 

.

That is, the 6 is repeated infinitely. This is equal to .

Example Question #16 : Decimals With Fractions

Convert  into a fraction in simplest form.

Possible Answers:

Correct answer:

Explanation:

Think of the decimal as the fraction .

Now, multiply the numerator and denominator by  for every digit after the decimal. In this case, because there are  digits after the decimal, we will be multiplying by  twice, or by .

Now, simplify this fraction.

Example Question #252 : Rational Numbers

What is the fractional equivalent of 

Possible Answers:

Correct answer:

Explanation:

To find the fractional equivalent, we convert the number given into a whole number and divide by the corresponding tenth power needed to move the decimal into a whole number.

So for

we need to multiply by  to turn the decimal into the whole number 

We divide  by  to get our fraction

this can be reduced to

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

What is the fractional equivalent of

Possible Answers:

Correct answer:

Explanation:

To find the fractional equivalent, we first convert the decimal into a whole number.

So to convert  into a fraction we need to multiply by  to change the decimal into the whole number .

We can now put  over the number we used to convert the decimal into a whole number.

This can be reduced to

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

Convert  into a fraction.

Possible Answers:

Correct answer:

Explanation:

Write the decimal divided by .

Multiply the numerator and denominator by  to get rid of the decimal, then simplify.

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

Convert  into a fraction.

Possible Answers:

Correct answer:

Explanation:

Write the decimal divided by .

Multiply the numerator and denominator by  to get rid of the decimal, then simplify.

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

What is  as a fraction?

Possible Answers:

Correct answer:

Explanation:

Write the decimal divided by .

Multiply the numerator and denominator by  to get rid of the decimal, then simplify.

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

Convert  to a fraction.

Possible Answers:

Correct answer:

Explanation:

Write the decimal divided by .

Multiply the numerator and denominator by  to get rid of the decimal, then simplify.

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

What is  as a fraction?

Possible Answers:

Correct answer:

Explanation:

Write the decimal divided by .

Multiply the numerator and denominator by  to get rid of the decimal, then simplify.

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