Evaluate
\frac{12}{5}=2.4
Factor
\frac{2 ^ {2} \cdot 3}{5} = 2\frac{2}{5} = 2.4
Quiz
Arithmetic
5 problems similar to:
\frac{ - \frac{ 7 }{ 10 } }{ \frac{ -5 }{ 8 } -- \frac{ 1 }{ 3 } }
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\frac{-\frac{7}{10}}{-\frac{5}{8}-\left(-\frac{1}{3}\right)}
Fraction \frac{-5}{8} can be rewritten as -\frac{5}{8} by extracting the negative sign.
\frac{-\frac{7}{10}}{-\frac{5}{8}+\frac{1}{3}}
The opposite of -\frac{1}{3} is \frac{1}{3}.
\frac{-\frac{7}{10}}{-\frac{15}{24}+\frac{8}{24}}
Least common multiple of 8 and 3 is 24. Convert -\frac{5}{8} and \frac{1}{3} to fractions with denominator 24.
\frac{-\frac{7}{10}}{\frac{-15+8}{24}}
Since -\frac{15}{24} and \frac{8}{24} have the same denominator, add them by adding their numerators.
\frac{-\frac{7}{10}}{-\frac{7}{24}}
Add -15 and 8 to get -7.
-\frac{7}{10}\left(-\frac{24}{7}\right)
Divide -\frac{7}{10} by -\frac{7}{24} by multiplying -\frac{7}{10} by the reciprocal of -\frac{7}{24}.
\frac{-7\left(-24\right)}{10\times 7}
Multiply -\frac{7}{10} times -\frac{24}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{168}{70}
Do the multiplications in the fraction \frac{-7\left(-24\right)}{10\times 7}.
\frac{12}{5}
Reduce the fraction \frac{168}{70} to lowest terms by extracting and canceling out 14.
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}