Posted by **Jennifer** on Tuesday, April 3, 2007 at 8:24pm.

When simplifying a rational fraction, why do you need to factor the numerator and the denominator?

If there is a common factor in both the numerator and denominator, that factor will cancel, thus simplifying the fraction.

e.g.

15/18 = (3*5)/3*6)

=(3/3)*(5/6)

=(1)*5/6

=5/6

## Answer This Question

## Related Questions

- Simplifying Rational Expressions - 1.4x12 / 4x 2.d+7 / d^2-49 3.t^2-25 / t^2+t-...
- Simplifying Rational Expressions - 1. 4x-12/4x 2. d+7/d^2-49 3.t2-25/t^2+t20 4....
- math - When simplifying a rational fraction, why do you need to factor the ...
- Math Repost!!Please Help!!!! - 6-y --------- y^2-27-24 well it should simplify ...
- Please Help Me Math - Find the sum and express in simplest form. Show all work: ...
- Can someone please help - Can someone show me how to find the sum of this ...
- algebra - How do you do?: x^2+1 ----- x^4-1 Thanks! Try to factor wherever you ...
- math - Shorten fraction: (x^2+2x)/(4x+8)= ? and reduce: (8a^3*b*a^-2)/(2b)^2= ? ...
- math - When simplifying a rational fraction, why do you need to factor the ...
- Math - 6-y/y^2-2y-24=? *I don't get this one.PLease help me.... Try to factor ...

More Related Questions