Evaluate
\frac{56}{25}=2.24
Factor
\frac{2 ^ {3} \cdot 7}{5 ^ {2}} = 2\frac{6}{25} = 2.24
Quiz
Arithmetic
5 problems similar to:
| \frac { 2 } { 3 } + 8 - \frac { 6 } { 5 } | \frac { 3 } { 10 }
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|\frac{2}{3}+\frac{24}{3}-\frac{6}{5}|\times \frac{3}{10}
Convert 8 to fraction \frac{24}{3}.
|\frac{2+24}{3}-\frac{6}{5}|\times \frac{3}{10}
Since \frac{2}{3} and \frac{24}{3} have the same denominator, add them by adding their numerators.
|\frac{26}{3}-\frac{6}{5}|\times \frac{3}{10}
Add 2 and 24 to get 26.
|\frac{130}{15}-\frac{18}{15}|\times \frac{3}{10}
Least common multiple of 3 and 5 is 15. Convert \frac{26}{3} and \frac{6}{5} to fractions with denominator 15.
|\frac{130-18}{15}|\times \frac{3}{10}
Since \frac{130}{15} and \frac{18}{15} have the same denominator, subtract them by subtracting their numerators.
|\frac{112}{15}|\times \frac{3}{10}
Subtract 18 from 130 to get 112.
\frac{112}{15}\times \frac{3}{10}
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of \frac{112}{15} is \frac{112}{15}.
\frac{112\times 3}{15\times 10}
Multiply \frac{112}{15} times \frac{3}{10} by multiplying numerator times numerator and denominator times denominator.
\frac{336}{150}
Do the multiplications in the fraction \frac{112\times 3}{15\times 10}.
\frac{56}{25}
Reduce the fraction \frac{336}{150} to lowest terms by extracting and canceling out 6.
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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}