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# Basic Math/Camparing Fractions

Question
Hello:

Is it possible to determine which fraction is larger than another by using its numerator?

Example:  1/7 is larger than 1/9, but when the numerators are larger than 1, as in 3/7 and 4/9, can the larger fraction be determined by just using the numerators 3 and 4?

The short answer is, no. If the numerators are not equal, you can't compare fractions until they have the same denominator.  The numerators don't have to be 1, just equal, but if they don't start out equal, then you have to convert the fraction to a common denominator.
Questioner's Rating
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Basic Math

Volunteer

#### Lynn Houston

##### Expertise

I can answer questions in basic algebra and any grade school math.

##### Experience

Love math, currently helping my nephew get through Intermediate Algebra.

Education/Credentials
I majored in Math Ed in college (but decided not to teach), so have over 40 credits of math.