Evaluate
14
Factor
2\times 7
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\frac{1}{5}+\frac{35+2}{7}+\frac{2\times 5+4}{5}+\frac{5\times 7+5}{7}
Multiply 5 and 7 to get 35.
\frac{1}{5}+\frac{37}{7}+\frac{2\times 5+4}{5}+\frac{5\times 7+5}{7}
Add 35 and 2 to get 37.
\frac{7}{35}+\frac{185}{35}+\frac{2\times 5+4}{5}+\frac{5\times 7+5}{7}
Least common multiple of 5 and 7 is 35. Convert \frac{1}{5} and \frac{37}{7} to fractions with denominator 35.
\frac{7+185}{35}+\frac{2\times 5+4}{5}+\frac{5\times 7+5}{7}
Since \frac{7}{35} and \frac{185}{35} have the same denominator, add them by adding their numerators.
\frac{192}{35}+\frac{2\times 5+4}{5}+\frac{5\times 7+5}{7}
Add 7 and 185 to get 192.
\frac{192}{35}+\frac{10+4}{5}+\frac{5\times 7+5}{7}
Multiply 2 and 5 to get 10.
\frac{192}{35}+\frac{14}{5}+\frac{5\times 7+5}{7}
Add 10 and 4 to get 14.
\frac{192}{35}+\frac{98}{35}+\frac{5\times 7+5}{7}
Least common multiple of 35 and 5 is 35. Convert \frac{192}{35} and \frac{14}{5} to fractions with denominator 35.
\frac{192+98}{35}+\frac{5\times 7+5}{7}
Since \frac{192}{35} and \frac{98}{35} have the same denominator, add them by adding their numerators.
\frac{290}{35}+\frac{5\times 7+5}{7}
Add 192 and 98 to get 290.
\frac{58}{7}+\frac{5\times 7+5}{7}
Reduce the fraction \frac{290}{35} to lowest terms by extracting and canceling out 5.
\frac{58}{7}+\frac{35+5}{7}
Multiply 5 and 7 to get 35.
\frac{58}{7}+\frac{40}{7}
Add 35 and 5 to get 40.
\frac{58+40}{7}
Since \frac{58}{7} and \frac{40}{7} have the same denominator, add them by adding their numerators.
\frac{98}{7}
Add 58 and 40 to get 98.
14
Divide 98 by 7 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}