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OpenStudy (anonymous):
2/9+{-3/7} simplify
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OpenStudy (saifoo.khan):
\[\frac29 - \frac37\]Take LCD = 7*9 = 63 and solve.
OpenStudy (anonymous):
theres this site called Mathway.com you can put all of ur problems in there
OpenStudy (anonymous):
Ive tried that site and I dont get correct answers from there
OpenStudy (anonymous):
would it be -13/63 or -0.2063
OpenStudy (anonymous):
Yes.
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OpenStudy (anonymous):
thank you
OpenStudy (anonymous):
You can check that with a calculator, that's what I did, I inputted the original problem, got the decimal you listed, then I put in the fraction you said and it was the same decimal. So I knew it worked out.
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