( \frac { 10 } { \frac { 1 } { 4 } } + 4 - \frac { \frac { 1 } { 2 } } { \frac { 1 } { 4 } } ) \div ( 7 \div [ \frac { 5 } { 3 } * \frac { 6 } { 5 } ) ) =
Evaluate
12
Factor
2^{2}\times 3
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\frac{10\times 4+4-\frac{\frac{1}{2}}{\frac{1}{4}}}{\frac{7}{\frac{5}{3}\times \frac{6}{5}}}
Divide 10 by \frac{1}{4} by multiplying 10 by the reciprocal of \frac{1}{4}.
\frac{40+4-\frac{\frac{1}{2}}{\frac{1}{4}}}{\frac{7}{\frac{5}{3}\times \frac{6}{5}}}
Multiply 10 and 4 to get 40.
\frac{44-\frac{\frac{1}{2}}{\frac{1}{4}}}{\frac{7}{\frac{5}{3}\times \frac{6}{5}}}
Add 40 and 4 to get 44.
\frac{44-\frac{1}{2}\times 4}{\frac{7}{\frac{5}{3}\times \frac{6}{5}}}
Divide \frac{1}{2} by \frac{1}{4} by multiplying \frac{1}{2} by the reciprocal of \frac{1}{4}.
\frac{44-\frac{4}{2}}{\frac{7}{\frac{5}{3}\times \frac{6}{5}}}
Multiply \frac{1}{2} and 4 to get \frac{4}{2}.
\frac{44-2}{\frac{7}{\frac{5}{3}\times \frac{6}{5}}}
Divide 4 by 2 to get 2.
\frac{42}{\frac{7}{\frac{5}{3}\times \frac{6}{5}}}
Subtract 2 from 44 to get 42.
\frac{42}{\frac{7}{\frac{5\times 6}{3\times 5}}}
Multiply \frac{5}{3} times \frac{6}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{42}{\frac{7}{\frac{6}{3}}}
Cancel out 5 in both numerator and denominator.
\frac{42}{\frac{7}{2}}
Divide 6 by 3 to get 2.
42\times \frac{2}{7}
Divide 42 by \frac{7}{2} by multiplying 42 by the reciprocal of \frac{7}{2}.
\frac{42\times 2}{7}
Express 42\times \frac{2}{7} as a single fraction.
\frac{84}{7}
Multiply 42 and 2 to get 84.
12
Divide 84 by 7 to get 12.
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}