GRE Math : How to find out an improper fraction from a mixed fraction

Study concepts, example questions & explanations for GRE Math

varsity tutors app store varsity tutors android store

Example Questions

Example Question #482 : Arithmetic

Write as an improper fraction.

 

Possible Answers:

Correct answer:

Explanation:

To find the improper fraction value, we must effectively add together 71 and 5/7. To do this, we will give 71 a denominator of 7; therefore, we are transforming 71/1 to x/7.  The shortest way to do this is to multiply by 7/7 (which really is 1); therefore, 71 = 71 * (7/7) = 497/7.

Now add them: (497 + 5)/7 = 502/7

Example Question #483 : Arithmetic

Which of the following improper fractions is equivalent to ?

Possible Answers:

Correct answer:

Explanation:

To find an improper fraction, you need to multiply the whole number that you have by the denominator of the associated fraction.  For our problem, this means that you will multiply  by , getting .  Next, you add this to the numerator of your fraction, giving you , or .  Finally, you place this over your original denominator, giving you: 

Example Question #4 : Mixed / Improper Fractions

Which of the following improper fractions is equivalent to ?

Possible Answers:

Correct answer:

Explanation:

To find an improper fraction, you need to multiply the whole number that you have by the denominator of the associated fraction.  For our problem, this means that you will multiply  by , getting .  Next, you add this to the numerator of your fraction, giving you , or .  Finally, you place this over your original denominator, giving you: 

Learning Tools by Varsity Tutors

Incompatible Browser

Please upgrade or download one of the following browsers to use Instant Tutoring: