Evaluate
0.9
Factor
\frac{3 ^ {2}}{2 \cdot 5} = 0.9
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\frac{0.75\times 3}{\frac{1\times 4+1}{4}\times 2}
Divide \frac{0.75}{\frac{1\times 4+1}{4}} by \frac{2}{3} by multiplying \frac{0.75}{\frac{1\times 4+1}{4}} by the reciprocal of \frac{2}{3}.
\frac{2.25}{\frac{1\times 4+1}{4}\times 2}
Multiply 0.75 and 3 to get 2.25.
\frac{2.25}{\frac{4+1}{4}\times 2}
Multiply 1 and 4 to get 4.
\frac{2.25}{\frac{5}{4}\times 2}
Add 4 and 1 to get 5.
\frac{2.25}{\frac{5\times 2}{4}}
Express \frac{5}{4}\times 2 as a single fraction.
\frac{2.25}{\frac{10}{4}}
Multiply 5 and 2 to get 10.
\frac{2.25}{\frac{5}{2}}
Reduce the fraction \frac{10}{4} to lowest terms by extracting and canceling out 2.
2.25\times \frac{2}{5}
Divide 2.25 by \frac{5}{2} by multiplying 2.25 by the reciprocal of \frac{5}{2}.
\frac{9}{4}\times \frac{2}{5}
Convert decimal number 2.25 to fraction \frac{225}{100}. Reduce the fraction \frac{225}{100} to lowest terms by extracting and canceling out 25.
\frac{9\times 2}{4\times 5}
Multiply \frac{9}{4} times \frac{2}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{18}{20}
Do the multiplications in the fraction \frac{9\times 2}{4\times 5}.
\frac{9}{10}
Reduce the fraction \frac{18}{20} to lowest terms by extracting and canceling out 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}