Evaluate
-\frac{28457}{6520}\approx -4.364570552
Factor
-\frac{28457}{6520} = -4\frac{2377}{6520} = -4.3645705521472395
Share
Copied to clipboard
\frac{68}{6520}-3.5\times 1.25
Expand \frac{0.68}{65.2} by multiplying both numerator and the denominator by 100.
\frac{17}{1630}-3.5\times 1.25
Reduce the fraction \frac{68}{6520} to lowest terms by extracting and canceling out 4.
\frac{17}{1630}-4.375
Multiply 3.5 and 1.25 to get 4.375.
\frac{17}{1630}-\frac{35}{8}
Convert decimal number 4.375 to fraction \frac{4375}{1000}. Reduce the fraction \frac{4375}{1000} to lowest terms by extracting and canceling out 125.
\frac{68}{6520}-\frac{28525}{6520}
Least common multiple of 1630 and 8 is 6520. Convert \frac{17}{1630} and \frac{35}{8} to fractions with denominator 6520.
\frac{68-28525}{6520}
Since \frac{68}{6520} and \frac{28525}{6520} have the same denominator, subtract them by subtracting their numerators.
-\frac{28457}{6520}
Subtract 28525 from 68 to get -28457.
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}