Evaluate
0.1875
Factor
\frac{3}{2 ^ {4}} = 0.1875
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\frac{1.3\times 15}{1\times 15+7}\times \frac{11}{52}
Divide 1.3 by \frac{1\times 15+7}{15} by multiplying 1.3 by the reciprocal of \frac{1\times 15+7}{15}.
\frac{19.5}{1\times 15+7}\times \frac{11}{52}
Multiply 1.3 and 15 to get 19.5.
\frac{19.5}{15+7}\times \frac{11}{52}
Multiply 1 and 15 to get 15.
\frac{19.5}{22}\times \frac{11}{52}
Add 15 and 7 to get 22.
\frac{195}{220}\times \frac{11}{52}
Expand \frac{19.5}{22} by multiplying both numerator and the denominator by 10.
\frac{39}{44}\times \frac{11}{52}
Reduce the fraction \frac{195}{220} to lowest terms by extracting and canceling out 5.
\frac{39\times 11}{44\times 52}
Multiply \frac{39}{44} times \frac{11}{52} by multiplying numerator times numerator and denominator times denominator.
\frac{429}{2288}
Do the multiplications in the fraction \frac{39\times 11}{44\times 52}.
\frac{3}{16}
Reduce the fraction \frac{429}{2288} to lowest terms by extracting and canceling out 143.
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}