Evaluate
-\frac{37897}{9500}\approx -3.989157895
Factor
-\frac{37897}{9500} = -3\frac{9397}{9500} = -3.989157894736842
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\frac{644211}{19000}-37.895
Expand \frac{644.211}{19} by multiplying both numerator and the denominator by 1000.
\frac{644211}{19000}-\frac{7579}{200}
Convert decimal number 37.895 to fraction \frac{37895}{1000}. Reduce the fraction \frac{37895}{1000} to lowest terms by extracting and canceling out 5.
\frac{644211}{19000}-\frac{720005}{19000}
Least common multiple of 19000 and 200 is 19000. Convert \frac{644211}{19000} and \frac{7579}{200} to fractions with denominator 19000.
\frac{644211-720005}{19000}
Since \frac{644211}{19000} and \frac{720005}{19000} have the same denominator, subtract them by subtracting their numerators.
\frac{-75794}{19000}
Subtract 720005 from 644211 to get -75794.
-\frac{37897}{9500}
Reduce the fraction \frac{-75794}{19000} to lowest terms by extracting and canceling out 2.
Examples
Quadratic equation
{ 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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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}