Evaluate
\frac{14}{5}=2.8
Factor
\frac{2 \cdot 7}{5} = 2\frac{4}{5} = 2.8
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\frac{2+5}{10}+\frac{6}{10}+\frac{7}{10}+\frac{8}{10}
Since \frac{2}{10} and \frac{5}{10} have the same denominator, add them by adding their numerators.
\frac{7}{10}+\frac{6}{10}+\frac{7}{10}+\frac{8}{10}
Add 2 and 5 to get 7.
\frac{7+6}{10}+\frac{7}{10}+\frac{8}{10}
Since \frac{7}{10} and \frac{6}{10} have the same denominator, add them by adding their numerators.
\frac{13}{10}+\frac{7}{10}+\frac{8}{10}
Add 7 and 6 to get 13.
\frac{13+7}{10}+\frac{8}{10}
Since \frac{13}{10} and \frac{7}{10} have the same denominator, add them by adding their numerators.
\frac{20}{10}+\frac{8}{10}
Add 13 and 7 to get 20.
2+\frac{8}{10}
Divide 20 by 10 to get 2.
2+\frac{4}{5}
Reduce the fraction \frac{8}{10} to lowest terms by extracting and canceling out 2.
\frac{10}{5}+\frac{4}{5}
Convert 2 to fraction \frac{10}{5}.
\frac{10+4}{5}
Since \frac{10}{5} and \frac{4}{5} have the same denominator, add them by adding their numerators.
\frac{14}{5}
Add 10 and 4 to get 14.
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}