Evaluate
15
Factor
3\times 5
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\frac{4-\frac{5}{12}\times 6}{0.1}
Divide \frac{5}{12} by \frac{1}{6} by multiplying \frac{5}{12} by the reciprocal of \frac{1}{6}.
\frac{4-\frac{5\times 6}{12}}{0.1}
Express \frac{5}{12}\times 6 as a single fraction.
\frac{4-\frac{30}{12}}{0.1}
Multiply 5 and 6 to get 30.
\frac{4-\frac{5}{2}}{0.1}
Reduce the fraction \frac{30}{12} to lowest terms by extracting and canceling out 6.
\frac{\frac{8}{2}-\frac{5}{2}}{0.1}
Convert 4 to fraction \frac{8}{2}.
\frac{\frac{8-5}{2}}{0.1}
Since \frac{8}{2} and \frac{5}{2} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{3}{2}}{0.1}
Subtract 5 from 8 to get 3.
\frac{3}{2\times 0.1}
Express \frac{\frac{3}{2}}{0.1} as a single fraction.
\frac{3}{0.2}
Multiply 2 and 0.1 to get 0.2.
\frac{30}{2}
Expand \frac{3}{0.2} by multiplying both numerator and the denominator by 10.
15
Divide 30 by 2 to get 15.
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}