(9)/(7x)-(1)/(x) - subtraction of fractions

(9)/(7x)-(1)/(x) - step by step solution for the given fractions. Subtraction of fractions, full explanation.

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    Solution for the given fractions

    • 9/(7*x) - 1/x = ?
    • The common denominator of the two fractions is: 7*x^2
    • 9/(7*x) = (9*x)/(7*x*x) = (9*x)/(7*x^2)
    • 1/x = (1*7*x)/(7*x*x) = (7*x)/(7*x^2)
    • Fractions adjusted to a common denominator
    • 9/(7*x) - 1/x = (9*x)/(7*x^2) - (7*x)/(7*x^2)
    • (9*x)/(7*x^2) - (7*x)/(7*x^2) = (9*x-(7*x))/(7*x^2)
    • (9*x-(7*x))/(7*x^2) = (2*x)/(7*x^2)
    • (2*x)/(7*x^2) = (2*x^-1)/7

    Solution for the given fractions

    $ \frac{9}{(7*x)} -\frac{ 1}{x }=? $

    The common denominator of the two fractions is: 7*x^2

    $ \frac{9}{(7*x)} = \frac{(9*x)}{(7*x*x)} = \frac{(9*x)}{(7*x^2)} $

    $ \frac{1}{x }= \frac{(1*7*x)}{(7*x*x)} = \frac{(7*x)}{(7*x^2)} $

    Fractions adjusted to a common denominator

    $ \frac{9}{(7*x)} -\frac{ 1}{x }= \frac{(9*x)}{(7*x^2)} - \frac{(7*x)}{(7*x^2)} $

    $ \frac{(9*x)}{(7*x^2)} - \frac{(7*x)}{(7*x^2)} = \frac{(9*x-(7*x))}{(7*x^2)} $

    $ \frac{(9*x-(7*x))}{(7*x^2)} = \frac{(2*x)}{(7*x^2)} $

    $ \frac{(2*x)}{(7*x^2)} = \frac{(2*x^-1)}{7} $

    $ $

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