Evaluate
\frac{53}{18}\approx 2.944444444
Factor
\frac{53}{2 \cdot 3 ^ {2}} = 2\frac{17}{18} = 2.9444444444444446
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\frac{3}{8}+\frac{5\times 7}{6\times 3}+\frac{5}{8}
Multiply \frac{5}{6} times \frac{7}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{3}{8}+\frac{35}{18}+\frac{5}{8}
Do the multiplications in the fraction \frac{5\times 7}{6\times 3}.
\frac{27}{72}+\frac{140}{72}+\frac{5}{8}
Least common multiple of 8 and 18 is 72. Convert \frac{3}{8} and \frac{35}{18} to fractions with denominator 72.
\frac{27+140}{72}+\frac{5}{8}
Since \frac{27}{72} and \frac{140}{72} have the same denominator, add them by adding their numerators.
\frac{167}{72}+\frac{5}{8}
Add 27 and 140 to get 167.
\frac{167}{72}+\frac{45}{72}
Least common multiple of 72 and 8 is 72. Convert \frac{167}{72} and \frac{5}{8} to fractions with denominator 72.
\frac{167+45}{72}
Since \frac{167}{72} and \frac{45}{72} have the same denominator, add them by adding their numerators.
\frac{212}{72}
Add 167 and 45 to get 212.
\frac{53}{18}
Reduce the fraction \frac{212}{72} to lowest terms by extracting and canceling out 4.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}