Evaluate
\frac{50}{63}\approx 0.793650794
Factor
\frac{2 \cdot 5 ^ {2}}{3 ^ {2} \cdot 7} = 0.7936507936507936
Share
Copied to clipboard
\left(\frac{15+1}{3}-2\right)\times \frac{5}{21}
Multiply 5 and 3 to get 15.
\left(\frac{16}{3}-2\right)\times \frac{5}{21}
Add 15 and 1 to get 16.
\left(\frac{16}{3}-\frac{6}{3}\right)\times \frac{5}{21}
Convert 2 to fraction \frac{6}{3}.
\frac{16-6}{3}\times \frac{5}{21}
Since \frac{16}{3} and \frac{6}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{10}{3}\times \frac{5}{21}
Subtract 6 from 16 to get 10.
\frac{10\times 5}{3\times 21}
Multiply \frac{10}{3} times \frac{5}{21} by multiplying numerator times numerator and denominator times denominator.
\frac{50}{63}
Do the multiplications in the fraction \frac{10\times 5}{3\times 21}.
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}