Perform the indicated operations with expressions involving fractional exponents and then simplify. 
Definitions:
Evelyn Hooker
A psychologist known for her pioneering research on homosexuality, fundamentally changing the perception that it was a mental illness.
Personality Characteristics
Traits and qualities that define an individual's patterns of thought, feeling, and behavior.
Gay Men
Denotes males who have romantic and sexual feelings towards other males.
William Masters
A pioneering sex researcher who, along with Virginia Johnson, developed the sexual response cycle theory and conducted extensive research on sexual behavior.
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