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\frac{4}{3}-\left(\frac{1}{9}-\frac{21}{9}\right)-\frac{3}{2}-1+\frac{17}{18}
Least common multiple of 9 and 3 is 9. Convert \frac{1}{9} and \frac{7}{3} to fractions with denominator 9.
\frac{4}{3}-\frac{1-21}{9}-\frac{3}{2}-1+\frac{17}{18}
Since \frac{1}{9} and \frac{21}{9} have the same denominator, subtract them by subtracting their numerators.
\frac{4}{3}-\left(-\frac{20}{9}\right)-\frac{3}{2}-1+\frac{17}{18}
Subtract 21 from 1 to get -20.
\frac{4}{3}+\frac{20}{9}-\frac{3}{2}-1+\frac{17}{18}
The opposite of -\frac{20}{9} is \frac{20}{9}.
\frac{12}{9}+\frac{20}{9}-\frac{3}{2}-1+\frac{17}{18}
Least common multiple of 3 and 9 is 9. Convert \frac{4}{3} and \frac{20}{9} to fractions with denominator 9.
\frac{12+20}{9}-\frac{3}{2}-1+\frac{17}{18}
Since \frac{12}{9} and \frac{20}{9} have the same denominator, add them by adding their numerators.
\frac{32}{9}-\frac{3}{2}-1+\frac{17}{18}
Add 12 and 20 to get 32.
\frac{64}{18}-\frac{27}{18}-1+\frac{17}{18}
Least common multiple of 9 and 2 is 18. Convert \frac{32}{9} and \frac{3}{2} to fractions with denominator 18.
\frac{64-27}{18}-1+\frac{17}{18}
Since \frac{64}{18} and \frac{27}{18} have the same denominator, subtract them by subtracting their numerators.
\frac{37}{18}-1+\frac{17}{18}
Subtract 27 from 64 to get 37.
\frac{37}{18}-\frac{18}{18}+\frac{17}{18}
Convert 1 to fraction \frac{18}{18}.
\frac{37-18}{18}+\frac{17}{18}
Since \frac{37}{18} and \frac{18}{18} have the same denominator, subtract them by subtracting their numerators.
\frac{19}{18}+\frac{17}{18}
Subtract 18 from 37 to get 19.
\frac{19+17}{18}
Since \frac{19}{18} and \frac{17}{18} have the same denominator, add them by adding their numerators.
\frac{36}{18}
Add 19 and 17 to get 36.
2
Divide 36 by 18 to get 2.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}