What is 7/9+2/3-4/5 ?

The solution to 7/9+2/3-4/5 is 29/45

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simplify 7/9+2/3-4/5

simplify

\frac{7}{9} + \frac{2}{3} - \frac{4}{5}

\frac{29}{45}

Decimal Notation

0.64444 \dots

Solution steps

\frac{7}{9} + \frac{2}{3} - \frac{4}{5}

Least Common Multiplier of

9, 3, 5 : 45

Adjust Fractions based on the LCM

= \frac{35}{45} + \frac{30}{45} - \frac{36}{45}

Apply the fraction rule:

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

= \frac{35 + 30 - 36}{45}

Add the numbers:

35 + 30 - 36 = 29

= \frac{29}{45}

x^{4} + 2 x^{3} - 2 x - 1

(x^{2} + x + 1) (x^{2} + x + 1)

c^{3} + 27

14 = \frac{M \cdot ( 2 \cdot 5 )}{15}

5 (x + 1) \leq 4 (x + 3) < 3 (x - 1)