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12 July, 11:38

What is 1 6/7 - 1 4/11

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  1. 12 July, 11:51
    0
    LCD = 77

    1 66/77 - 1 28/77 = 38/77
  2. 12 July, 11:55
    0
    Convert both numbers to improper fractions, and to do that, multiply the denominator and whole number, and add the numerator.

    If done correctly, you should get 13/7 - 15/11.

    Now, we have to find the LCM of both denominators.

    77 is the LCM.

    77 is the LCM.

    You needed to multiply 7 by 11 to get 77, so multiply 13 by 11, too.

    13 x 11 = 143

    We get 143/77.

    Do the same with the other fraction.

    You needed to multiply 11 by 7 to get 77. So multiply 15 by 7.

    15 x 7 = 105

    We get 105/77

    Now you can subtract.

    143/77 - 105/77 = 38/77
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