Fractions - SSAT Upper Level Quantitative

Card 0 of 1732

Question

Write as an improper fraction.

Answer

To change a mixed number to an improper fraction, keep the denominator.

Then, multiply the whole number by the denominator and add that to the given numerator.

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Question

Write as an improper fraction.

Answer

To change a mixed number to an improper fraction, keep the denominator.

Then, multiply the whole number by the denominator and add that to the given numerator.

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Question

Write as an improper fraction.

Answer

To change a mixed number to an improper fraction, keep the denominator.

Then, multiply the whole number by the denominator and add that to the given numerator.

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Question

Convert into a fraction.

Answer

Put the number over and drop the percent sign. Then, reduce to simplest form.

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Question

Put the fraction in simplest form.

Answer

To simplify a fraction, divide both the numerator and the denominator by the same numbers until there is no number that can divide them both without resulting in a remainder.

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Question

Give the reciprocal of 0.75.

Answer

The reciprocal of a number is the quotient of 1 and the number.

Divide 1 by 0.75 by moving the decimal point to the right in each number two places:

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Question

Answer

The main fraction line means "divide." Rewrite the complex fraction as thus:

Divide these two fractions.

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Question

In a zoo with animals, the ratio of mammals to reptiles to birds is . How many birds does the zoo have?

Answer

Let be the number of mammals, be the number of reptiles, and be the number of birds.

Since the zoo has animals,

Because we want the number of birds, we need to find the value of .

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Question

John and Michela are business partners who agreed to split profits at a ratio of 2:3, with Michela taking the larger share. If their business made in the first year, how much money did Michela make?

Answer

Let be the amount John takes home and be the amount Michela takes home.

Since their business made ,

We want to know how much Michela made so we need to find the value of .

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Question

When television remotes are shipped from a certain factory, 1 out of every 200 is defective. What is the ratio of defective to nondefective remotes?

Answer

One remote is defective for every 199 non-defective remotes.

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Question

On a desk, there are papers for every paper clips and papers for every greeting card. What is the ratio of paper clips to total items on the desk?

Answer

Begin by making your life easier: presume that there are papers on the desk. Immediately, we know that there are paper clips. Now, if there are papers, you know that there also must be greeting cards. Technically you figure this out by using the ratio:

By cross-multiplying you get:

Solving for , you clearly get .

(Many students will likely see this fact without doing the algebra, however. The numbers are rather simple.)

Now, this means that our desk has on it:

papers

paper clips

greeting cards

Therefore, you have total items. Based on this, your ratio of paper clips to total items is:

, which is the same as .

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Question

In a garden, there are pansies, lilies, roses, and petunias. What is the ratio of petunias to the total number of flowers in the garden?

Answer

To begin, you need to do a simple addition to find the total number of flowers in the garden:

Now, the ratio of petunias to the total number of flowers in the garden can be represented by a simple division of the number of petunias by . This is:

Next, reduce the fraction by dividing out the common from the numerator and the denominator:

This is the same as .

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Question

In a classroom of students, each student takes a language class (and only one—nobody studies two languages). take Latin, take Greek, take Anglo-Saxon, and the rest take Old Norse. What is the ratio of students taking Old Norse to students taking Greek?

Answer

To begin, you need to calculate how many students are taking Old Norse. This is:

Now, the ratio of students taking Old Norse to students taking Greek is the same thing as the fraction of students taking Old Norse to students taking Greek, or:

Next, just reduce this fraction to its lowest terms by dividing the numerator and denominator by their common factor of :

This is the same as .

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Question

Express as a ratio.

Answer

Ratios take the form of numerator:deminator when in colon form.

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Question

In a biology class, students are freshmen, students are sophomores, and students are juniors. What is the ratio of sophomores to freshmen in the class?

Answer

The ratio of sophomores to freshmen in the class can be expressed by the fraction .

Now, simplify this fraction.

That fraction can also be expressed as .

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Question

A video store lent out videos during the fall semester. of the videos were lost, and the rest were returned. What is the ratio of lost videos to returned videos?

Answer

First, find the number of videos that were returned.

Now, the ratio of videos lost to videos returned can be expressed as the following fraction:

This fraction can then be expressed as .

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Question

In a music class of students, students play the clarinet, students play the violin, students play the oboe, and the rest play the piano. What is the ratio of piano players to oboe players in the class?

Answer

First, find out how many piano players there are in the class.

Now, we can express the ratio of piano players to oboe players as the following fraction:

The fraction can also be expressed by .

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Question

In a garden with plants, are tulips, are daisies, are roses, and the rest are bluebonnets. What is the ratio of bluebonnets to tulips in this garden?

Answer

First, find the number of bluebonnets in the garden.

The ratio of bluebonnets to tulips can be expressed as a fraction:

The fraction can also be expressed as the ratio .

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Question

Express as a ratio.

Answer

In the colon form of a ratio, the fraction becomes numerator:denominator.

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Question

A smoothie is made with cups of apple juice, cup of mango juice, cups of orange juice, and cups of blueberry juice. What is the ratio of the amount of orange juice to the amount of blueberry juice?

Answer

The ratio of orange juice to blueberry juice can be expressed as a fraction:

That fraction can also be expressed as .

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