use only positive exponents and all variables are real positive numbers

y^9/8 / y^5/8

=9/5 (is this right?)

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  1. No it isn't right. When you divide one power of y by another power of y, you can just subtract the exponents. Thus the answer is y^(9/8 - 5/8) = y^4/8
    = y^1/2 (which is the square root of y)

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