All GRE Math Resources
Example Questions
Example Question #21 : Decimals
A tub of food contains pounds of vegetables, pounds of lard, and pounds of sausage. What is its total weight as an improper fraction?
To begin with, it is easiest just to add these decimals together using your calculator:
Now, this is the same thing as:
We can rewrite this:
To find this, you need to give the two numbers a common denominator:
This is your answer.
Example Question #4 : Decimals With Fractions
What is the fractional equivalent of ?
In decimal form is said 33 hundredths.
This is equal to
.
This fraction cannot be reduced any further therefore it is in its final answer form.
Example Question #1 : How To Find The Fractional Equivalent Of A Decimal
Choose the answer which best converts the following decimal into a fraction, ensure that you simplify your answer:
To convert a decimal into a fraction, simply put the digits of the decimal in the numerator of a fraction, then one followed by a number of zeroes equal to the number of digits in the decimal as your denomator. In this case:
Then, you can simplify, as both and are divisible by :
Example Question #3 : How To Find The Fractional Equivalent Of A Decimal
Simplify the following expression:
It can help to begin by writing the expression using scientific notation:
Now remove common divisors from the numerator and denominator: