Evaluate
\frac{278}{7}\approx 39.714285714
Factor
\frac{2 \cdot 139}{7} = 39\frac{5}{7} = 39.714285714285715
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50-\frac{36}{35}\times 10
Fraction \frac{-36}{35} can be rewritten as -\frac{36}{35} by extracting the negative sign.
50+\frac{-36\times 10}{35}
Express -\frac{36}{35}\times 10 as a single fraction.
50+\frac{-360}{35}
Multiply -36 and 10 to get -360.
50-\frac{72}{7}
Reduce the fraction \frac{-360}{35} to lowest terms by extracting and canceling out 5.
\frac{350}{7}-\frac{72}{7}
Convert 50 to fraction \frac{350}{7}.
\frac{350-72}{7}
Since \frac{350}{7} and \frac{72}{7} have the same denominator, subtract them by subtracting their numerators.
\frac{278}{7}
Subtract 72 from 350 to get 278.
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}