All Algebra 1 Resources
Example Questions
Example Question #1 : How To Find A Fraction From A Percentage
How do you display 40% as a fraction?
To display a percentage as a fraction, divide the number of percent by 100 to give you . Then simplify the fraction by dividing each number by 20, yielding
.
Example Question #2 : How To Find A Fraction From A Percentage
What is 135% of 45?
This is just a simple problem of translation. We know that and can translate the rest of the problem into this form:
. Merely multiply and get the answer, namely
.
Example Question #3 : How To Find A Fraction From A Percentage
What is 12.5% expressed as a fraction?
is easier to simplify if you multiply top and bottom by 2.
Then it becomes .
Divide the numerator and denominator by 25 and you get .
Example Question #4 : How To Find A Fraction From A Percentage
What is as a fraction?
To display a percentage as a fraction, divide the number of percent by 100 to give you .
Example Question #5 : How To Find A Fraction From A Percentage
Example Question #6 : How To Find A Fraction From A Percentage
Each year, the value of a car goes down by 10% of its previous year's value. What fraction of its original new value is the value of a three-year old car?
The reduction of the value of a car by 10% is the same as the car retaining 90%, or , of its value.
If a car is worth when new, then it is worth
after one year. Its value after two years will be
times its value after one year, or
. After three years, it will be
times its value after two years, or
.
Example Question #6 : How To Find A Fraction From A Percentage
Convert to a fraction.
To convert a percentage into a fraction, remove the percentage sign and divide the number by 100.
Example Question #8 : How To Find A Fraction From A Percentage
What fraction represents ?
When finding the fraction from a percent, express that value over .
We now have
.
We simplify it by dividing top and bottom by .
Final answer is .
Example Question #9 : How To Find A Fraction From A Percentage
Convert into a reduced fraction.
First, we take that value and divide over .
We have
.
Next, since there is a decimal present, we shift that decimal one place so we have a whole number. Since we did that to the top, we add one zero to the bottom since we shifted one place. We have
.
To reduce, we divide top and bottom by
to get as the final answer.
Example Question #10 : How To Find A Fraction From A Percentage
Convert into a reduced fraction.
We take that value and divide that over .
We get
.
Next we can reduce by taking one zero from top and bottom and also divide top and bottom by .
This gives us an answer of .
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