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OpenStudy (anonymous):
7/2xy - 5/2xy ...the answer is 1/xy .....but how do you figure it out step by step?
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OpenStudy (anonymous):
these are 2 fractions having the same denominator,so you just have to subtract the numerators: 7/2xy - 5/2xy=(7-2)/(2xy)=2/(2xy)=1/(xy)
OpenStudy (anonymous):
thank you :)
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