What is (2x)/5-(7x)/9 ?

The solution to (2x)/5-(7x)/9 is -(17x)/(45)

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simplify (2x)/5-(7x)/9

simplify

\frac{2 x}{5} - \frac{7 x}{9}

- \frac{17 x}{45}

Solution steps

\frac{2 x}{5} - \frac{7 x}{9}

Least Common Multiplier of

5, 9 : 45

Adjust Fractions based on the LCM

= \frac{18 x}{45} - \frac{35 x}{45}

Apply the fraction rule:

\frac{a}{c} - \frac{b}{c} = \frac{a - b}{c}

= \frac{18 x - 35 x}{45}

Add similar elements:

18 x - 35 x = - 17 x

= \frac{- 17 x}{45}

Apply the fraction rule:

\frac{- a}{b} = - \frac{a}{b}

= - \frac{17 x}{45}

\frac{x ^{2} + 2 x - 15}{x ^{2} - 9}

\frac{13}{9}

(1 + \frac{1}{4})^{4}

lo g_{8} (7)

+ 3 - 3