lindseyharrison
What is the simplified form of x/3 - y/4 all over x/4 + y/3
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barrycarter
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Hint: add the two fractions you have in the numerator (and then in the denominator) and then use the reciprocal rule to divide the results
lindseyharrison
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4x - 3y/3x + 4y? @barrycarter
timo86m
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draw it instead
barrycarter
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You can always doublecheck your answers at wolframalpha.com, but that sounds right... multiplying both numerator and denominator by 3*4=12 would also have worked
lindseyharrison
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|dw:1346444370614:dw|
lindseyharrison
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@timo86m
timo86m
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do it individually ad numerator then add denominator
timo86m
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|dw:1346444506571:dw|
timo86m
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since simplifying top then bottom will result in fraction you mulitply by reciprocal
timo86m
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|dw:1346444660599:dw|
timo86m
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\[{\frac {4\,x-3\,y}{3\,x-4\,y}}\]