algebra

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Use muliplying by 1 to find an expression equivalent to 10/13 with a dominator of 39a

Please kindly help. I don't understand what to do. Thanks!

  • algebra -

    10/13.
    To get an equivalent expression, we multiply the numerator and denominator
    by the same number.

    In this case, our denominator went from 13 to 39. 39 / 13 = 3. So we multiplied our denominator by 3. So, we
    must multiply our numerator by 3 also.
    Our equivalent fraction is 30/39. We
    know this is correct, because when we
    DIVIDE the numerator and denominator by 3 we get 10/13 ,our original fraction.

  • algebra -

    use multiplying by 1 to find an expression equivalent to 11/14 with a denominator of 56c the equivalent expression is

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