SOLUTION: Simplify: 5x^4 over 8 x^2 y^2 * 8y^5 over 15 I got x^4 8 y^3 over 8 x^2 3

Question 398284: Simplify: 5x^4 over 8 x^2 y^2 * 8y^5 over 15
I got x^4 8 y^3 over 8 x^2 3
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!

When multiplying fractions not only is it OK to cancel common factors between the numerator and denominator (even from one fraction across to the other), it is a good idea. So I will start by factoring the numerators and denominators in a way that should make the common factors obvious:

Now we can cancel the common factors:

which simplifies to:

which is very easy to multiply:

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