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March 27, 2017

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-3/5 +8/35=?

7/9 -(-13/18)=

(4)(-3/2)=

-21-(-9)=

-21-(-21)=

  • math - ,

    -3/5 +8/35=?

    First get a common denominator; in this case it's 35.

    -21/35 + 8/35 = -13/35

    Try the others yourself. We'll be glad to check your answers.

  • math - ,

    7/9-(-13/18)

    14/18-(-13/18)

    27/18=3/2
    is this correct?

  • math - ,

    (4)(-3/2)

    (8/2)(-3/2)= -24/4

    -6

  • math - ,

    Right! (4)(-3/2) = -6

  • math - ,

    Right. And 3/2 = 1 1/2

  • math - ,

    ok I have -21-(-9)=-12

    wouldn't -21-(-21)=0

  • math - ,

    Both are right! Great! :-)

  • math - ,

    Thank you very much!

  • math - ,

    You're very welcome! :-)

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