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Mathematics 6 Online
OpenStudy (anonymous):

-8/9 – 2/7 = 38/63 -1 11/63 -5/8 3/8

OpenStudy (anonymous):

= (-8*7 - 2*9) / 63 = (-56-18)/63 ..

OpenStudy (jiteshmeghwal9):

|dw:1341244649226:dw| First take the LCM of 9 & 7.then try to solve it as|dw:1341244757943:dw|

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