Math

3/4 - 4/7=

-2/5 - 3/4=

5//6 + 7/10=

-5/6 X 2/5=

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asked by Tina
  1. For the addition and subtraction problems, you need to find the common denominators.

    3/4 - 4/7= 21/28 - 16/28 = 5/28

    I'm sure you can do the next two.

    -5/6 * 2/5 = -10/30 = -1/3

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    posted by Ms. Sue

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