Algebra 1 : Fractions and Percentage

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #3101 : Algebra 1

Convert  into a reduced fraction. 

Possible Answers:

Correct answer:

Explanation:

First, take the decimal and divide over .

We have 

.

Then, shift the decimal two places to the right which means we add two s to the denominator. 

We have .

Then if we divide top and bottom by ,

final answer will become 

Example Question #12 : How To Find A Fraction From A Percentage

Convert  as a reduced fraction. 

Possible Answers:

Correct answer:

Explanation:

First, let's convert the fraction into a decimal. By dividing  into  we get .

Then, we take the new value and place it over 

We have 

.

Then, shift the decimal one place to the right which means we add one  to the denominator. 

We have .

Then if we divide top and bottom by ,

final answer will become 

Example Question #71 : Fractions And Percentage

Convert  to a reduced fraction. 

Possible Answers:

Correct answer:

Explanation:

First, take the decimal and divide over .

We have 

.

Then, shift the decimal two places to the right which means we add two s to the denominator. 

We have 

Example Question #74 : Fractions And Percentage

Convert  to a reduced fraction. 

Possible Answers:

Correct answer:

Explanation:

First, take the decimal and divide over .

We have 

.

Then, shift the decimal one places to the right which means we add one  to the denominator. 

We have 

Example Question #75 : Fractions And Percentage

Convert  into a reduced fraction. 

Possible Answers:

Correct answer:

Explanation:

The bar on top means repeating decimals. Let's convert the percent to a decimal. We shift the decimal two places to the left. 

The value is then . Let's say  is .

If we multiply both sides by , we get .

If we subtract both equations, we get .

 

Example Question #76 : Fractions And Percentage

Convert  into a reduced fraction.

Possible Answers:

Correct answer:

Explanation:

The bar on top means repeating decimals. Let's convert the percent to a decimal. We shift the decimal two places to the left. 

The value is then . Let's say  is .

If we multiply both sides by , we get .

If we subtract both equations, we get .

 

Example Question #77 : Fractions And Percentage

Convert  to a reduced fraction. 

Possible Answers:

Correct answer:

Explanation:

The bar on top means repeating decimals. Let's convert the percent to a decimal. We shift the decimal two places to the left. 

The value is then . Let's say  is .

If we multiply both sides by , we get .

If we subtract both equations, we get .

 

Example Question #78 : Fractions And Percentage

 in the form of a fraction is 

Possible Answers:

Correct answer:

Explanation:

Percentages are equivalent to parts of a whole, or part of .  then is equivalent to  just like  is equivalent to , and  is equivalent to . An easy way to remember percentage to fraction conversions is to simply write the percentage over one hundred. Any percentage can be placed over one hundred and then reduced. 

Further more, we are able to reduce this fraction by finding common factors in both the numerator and the denominator.

By canceling out the five in the numerator and the denominator we get our reduced fraction form and final answer of,

.

Example Question #72 : Fractions And Percentage

Convert  into a fraction. 

Possible Answers:

This percentage cannot be converted to a fraction. 

Correct answer:

Explanation:

When converting percentages into fractions, the easiest way to go about it is to simply place the percentage given over one hundred.

So for this example, the percentage is , meaning the it can be rewritten as .

Since  is a prime number, this fraction is already in its simplest form. 

Example Question #22 : How To Find A Fraction From A Percentage

What is the most-simplified fractional equivalent of ?

Possible Answers:

Correct answer:

Explanation:

"Percent" literally means "out of 100," so 22% is equivalent to . We can simplify this becasue both the numerator and the denominator are divisible by 2. Divide top and bottom by 2 to get .

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