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\frac{14}{5}\times \frac{1}{7}-\frac{\frac{3}{5}}{\frac{3}{2}}
Convert decimal number 2.8 to fraction \frac{28}{10}. Reduce the fraction \frac{28}{10} to lowest terms by extracting and canceling out 2.
\frac{14\times 1}{5\times 7}-\frac{\frac{3}{5}}{\frac{3}{2}}
Multiply \frac{14}{5} times \frac{1}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{14}{35}-\frac{\frac{3}{5}}{\frac{3}{2}}
Do the multiplications in the fraction \frac{14\times 1}{5\times 7}.
\frac{2}{5}-\frac{\frac{3}{5}}{\frac{3}{2}}
Reduce the fraction \frac{14}{35} to lowest terms by extracting and canceling out 7.
\frac{2}{5}-\frac{3}{5}\times \frac{2}{3}
Divide \frac{3}{5} by \frac{3}{2} by multiplying \frac{3}{5} by the reciprocal of \frac{3}{2}.
\frac{2}{5}-\frac{3\times 2}{5\times 3}
Multiply \frac{3}{5} times \frac{2}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{2}{5}-\frac{2}{5}
Cancel out 3 in both numerator and denominator.
0
Subtract \frac{2}{5} from \frac{2}{5} to get 0.
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}