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Mathematics 6 Online
OpenStudy (anonymous):

perform operation: (7/64)-(7/80)+(1/20)

hero (hero):

If I were you, I'd combine the easy ones first.

OpenStudy (anonymous):

k

hero (hero):

Do you know which two are the easiest to combine?

OpenStudy (anonymous):

7/80 and 1/20?

hero (hero):

Yup and all you have to do is multiply 1/20 by 4/4

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