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math

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Can anyone show me how to worj this I am lost Perform the subtraction :7/9-(15/8) thank you in advance

  • math -

    First we need to find the common denominator.

    7/9 = 56/72
    15/8 = 135/72

    56/72 - (135/72) = -(79/72) = -(1 7/72)

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