Evaluate
\frac{7}{2}=3.5
Factor
\frac{7}{2} = 3\frac{1}{2} = 3.5
Quiz
Arithmetic
5 problems similar to:
\frac { 3 } { 4 } \times 1 \frac { 1 } { 9 } + 2 \frac { 2 } { 3 }
Share
Copied to clipboard
\frac{3}{4}\times \frac{9+1}{9}+\frac{2\times 3+2}{3}
Multiply 1 and 9 to get 9.
\frac{3}{4}\times \frac{10}{9}+\frac{2\times 3+2}{3}
Add 9 and 1 to get 10.
\frac{3\times 10}{4\times 9}+\frac{2\times 3+2}{3}
Multiply \frac{3}{4} times \frac{10}{9} by multiplying numerator times numerator and denominator times denominator.
\frac{30}{36}+\frac{2\times 3+2}{3}
Do the multiplications in the fraction \frac{3\times 10}{4\times 9}.
\frac{5}{6}+\frac{2\times 3+2}{3}
Reduce the fraction \frac{30}{36} to lowest terms by extracting and canceling out 6.
\frac{5}{6}+\frac{6+2}{3}
Multiply 2 and 3 to get 6.
\frac{5}{6}+\frac{8}{3}
Add 6 and 2 to get 8.
\frac{5}{6}+\frac{16}{6}
Least common multiple of 6 and 3 is 6. Convert \frac{5}{6} and \frac{8}{3} to fractions with denominator 6.
\frac{5+16}{6}
Since \frac{5}{6} and \frac{16}{6} have the same denominator, add them by adding their numerators.
\frac{21}{6}
Add 5 and 16 to get 21.
\frac{7}{2}
Reduce the fraction \frac{21}{6} 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}