Evaluate
-\frac{51}{35}\approx -1.457142857
Factor
-\frac{51}{35} = -1\frac{16}{35} = -1.457142857142857
Share
Copied to clipboard
\frac{-\frac{15+4}{5}+\frac{2\times 3+2}{3}}{\frac{1\times 3+2}{3}\times \frac{7}{15}}
Multiply 3 and 5 to get 15.
\frac{-\frac{19}{5}+\frac{2\times 3+2}{3}}{\frac{1\times 3+2}{3}\times \frac{7}{15}}
Add 15 and 4 to get 19.
\frac{-\frac{19}{5}+\frac{6+2}{3}}{\frac{1\times 3+2}{3}\times \frac{7}{15}}
Multiply 2 and 3 to get 6.
\frac{-\frac{19}{5}+\frac{8}{3}}{\frac{1\times 3+2}{3}\times \frac{7}{15}}
Add 6 and 2 to get 8.
\frac{-\frac{57}{15}+\frac{40}{15}}{\frac{1\times 3+2}{3}\times \frac{7}{15}}
Least common multiple of 5 and 3 is 15. Convert -\frac{19}{5} and \frac{8}{3} to fractions with denominator 15.
\frac{\frac{-57+40}{15}}{\frac{1\times 3+2}{3}\times \frac{7}{15}}
Since -\frac{57}{15} and \frac{40}{15} have the same denominator, add them by adding their numerators.
\frac{-\frac{17}{15}}{\frac{1\times 3+2}{3}\times \frac{7}{15}}
Add -57 and 40 to get -17.
\frac{-\frac{17}{15}}{\frac{3+2}{3}\times \frac{7}{15}}
Multiply 1 and 3 to get 3.
\frac{-\frac{17}{15}}{\frac{5}{3}\times \frac{7}{15}}
Add 3 and 2 to get 5.
\frac{-\frac{17}{15}}{\frac{5\times 7}{3\times 15}}
Multiply \frac{5}{3} times \frac{7}{15} by multiplying numerator times numerator and denominator times denominator.
\frac{-\frac{17}{15}}{\frac{35}{45}}
Do the multiplications in the fraction \frac{5\times 7}{3\times 15}.
\frac{-\frac{17}{15}}{\frac{7}{9}}
Reduce the fraction \frac{35}{45} to lowest terms by extracting and canceling out 5.
-\frac{17}{15}\times \frac{9}{7}
Divide -\frac{17}{15} by \frac{7}{9} by multiplying -\frac{17}{15} by the reciprocal of \frac{7}{9}.
\frac{-17\times 9}{15\times 7}
Multiply -\frac{17}{15} times \frac{9}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{-153}{105}
Do the multiplications in the fraction \frac{-17\times 9}{15\times 7}.
-\frac{51}{35}
Reduce the fraction \frac{-153}{105} to lowest terms by extracting and canceling out 3.
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}