anonymous
  • anonymous
-8/7*(1/4)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
help please
aroub
  • aroub
lcd
anonymous
  • anonymous
aroub what is lcd

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anonymous
  • anonymous
lowest common denominator
anonymous
  • anonymous
oh ok
anonymous
  • anonymous
you can cross multiply which is -8*1 over 4*7
anonymous
  • anonymous
then simplify which will give (-2*1)/(1*7) = -2/7
anonymous
  • anonymous
i came up with -32/7
anonymous
  • anonymous
oh ok simplify
anonymous
  • anonymous
Yeah cross multiply was a poor choice of words, when you have two fractions you want to multiply, you multiple the numerators and denominators together, then simplify if you can
anonymous
  • anonymous
meaning -8/7*4/1 =32/7
anonymous
  • anonymous
yes that would be correct but you had the original equation as -8/7 *1/4= -8/28 = -2/7
anonymous
  • anonymous
So I don't need to change the 1/4 to 4/1 is tht correct
anonymous
  • anonymous
Not when you are simply multiply to fractions together, it would be the numerator times the numerator, and the denominator times the denominator.
anonymous
  • anonymous
ok ty very much I have a few more question after this
anonymous
  • anonymous
No problem
anonymous
  • anonymous
ok

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