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27 January, 17:43

3/7 + (-6/7) + (-8/21) + 5/22

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  1. 27 January, 18:09
    0
    = - 37/66

    Step-by-step explanation:

    3/7 + (-6/7) + (-8/21) + 5/22

    3/7 - 6/7 - 8/21 + 5/22

    LCM is 462

    = 198/462 - 386/462 - 176/462 + 105/462

    = - 259/462

    = - 37/66
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