Evaluate
\frac{7}{4}=1.75
Factor
\frac{7}{2 ^ {2}} = 1\frac{3}{4} = 1.75
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\frac{160+3}{16}-\frac{8\times 16+7}{16}
Multiply 10 and 16 to get 160.
\frac{163}{16}-\frac{8\times 16+7}{16}
Add 160 and 3 to get 163.
\frac{163}{16}-\frac{128+7}{16}
Multiply 8 and 16 to get 128.
\frac{163}{16}-\frac{135}{16}
Add 128 and 7 to get 135.
\frac{163-135}{16}
Since \frac{163}{16} and \frac{135}{16} have the same denominator, subtract them by subtracting their numerators.
\frac{28}{16}
Subtract 135 from 163 to get 28.
\frac{7}{4}
Reduce the fraction \frac{28}{16} to lowest terms by extracting and canceling out 4.
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}