Evaluate
\frac{68}{95}\approx 0.715789474
Factor
\frac{2 ^ {2} \cdot 17}{5 \cdot 19} = 0.7157894736842105
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\frac{2}{19}\times 3+\frac{14}{171}\times 3+\frac{2}{19}+\frac{14}{285}
Reduce the fraction \frac{4}{38} to lowest terms by extracting and canceling out 2.
\frac{2\times 3}{19}+\frac{14}{171}\times 3+\frac{2}{19}+\frac{14}{285}
Express \frac{2}{19}\times 3 as a single fraction.
\frac{6}{19}+\frac{14}{171}\times 3+\frac{2}{19}+\frac{14}{285}
Multiply 2 and 3 to get 6.
\frac{6}{19}+\frac{14\times 3}{171}+\frac{2}{19}+\frac{14}{285}
Express \frac{14}{171}\times 3 as a single fraction.
\frac{6}{19}+\frac{42}{171}+\frac{2}{19}+\frac{14}{285}
Multiply 14 and 3 to get 42.
\frac{6}{19}+\frac{14}{57}+\frac{2}{19}+\frac{14}{285}
Reduce the fraction \frac{42}{171} to lowest terms by extracting and canceling out 3.
\frac{18}{57}+\frac{14}{57}+\frac{2}{19}+\frac{14}{285}
Least common multiple of 19 and 57 is 57. Convert \frac{6}{19} and \frac{14}{57} to fractions with denominator 57.
\frac{18+14}{57}+\frac{2}{19}+\frac{14}{285}
Since \frac{18}{57} and \frac{14}{57} have the same denominator, add them by adding their numerators.
\frac{32}{57}+\frac{2}{19}+\frac{14}{285}
Add 18 and 14 to get 32.
\frac{32}{57}+\frac{6}{57}+\frac{14}{285}
Least common multiple of 57 and 19 is 57. Convert \frac{32}{57} and \frac{2}{19} to fractions with denominator 57.
\frac{32+6}{57}+\frac{14}{285}
Since \frac{32}{57} and \frac{6}{57} have the same denominator, add them by adding their numerators.
\frac{38}{57}+\frac{14}{285}
Add 32 and 6 to get 38.
\frac{2}{3}+\frac{14}{285}
Reduce the fraction \frac{38}{57} to lowest terms by extracting and canceling out 19.
\frac{190}{285}+\frac{14}{285}
Least common multiple of 3 and 285 is 285. Convert \frac{2}{3} and \frac{14}{285} to fractions with denominator 285.
\frac{190+14}{285}
Since \frac{190}{285} and \frac{14}{285} have the same denominator, add them by adding their numerators.
\frac{204}{285}
Add 190 and 14 to get 204.
\frac{68}{95}
Reduce the fraction \frac{204}{285} to lowest terms by extracting and canceling out 3.
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}