Evaluate
\frac{13}{5}=2.6
Factor
\frac{13}{5} = 2\frac{3}{5} = 2.6
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\frac{0+7+22+30+24+15+6}{2+7+11+10+6+3+1}
Multiply 0 and 2 to get 0. Multiply 1 and 7 to get 7. Multiply 2 and 11 to get 22. Multiply 3 and 10 to get 30. Multiply 4 and 6 to get 24. Multiply 5 and 3 to get 15. Multiply 6 and 1 to get 6.
\frac{7+22+30+24+15+6}{2+7+11+10+6+3+1}
Add 0 and 7 to get 7.
\frac{29+30+24+15+6}{2+7+11+10+6+3+1}
Add 7 and 22 to get 29.
\frac{59+24+15+6}{2+7+11+10+6+3+1}
Add 29 and 30 to get 59.
\frac{83+15+6}{2+7+11+10+6+3+1}
Add 59 and 24 to get 83.
\frac{98+6}{2+7+11+10+6+3+1}
Add 83 and 15 to get 98.
\frac{104}{2+7+11+10+6+3+1}
Add 98 and 6 to get 104.
\frac{104}{9+11+10+6+3+1}
Add 2 and 7 to get 9.
\frac{104}{20+10+6+3+1}
Add 9 and 11 to get 20.
\frac{104}{30+6+3+1}
Add 20 and 10 to get 30.
\frac{104}{36+3+1}
Add 30 and 6 to get 36.
\frac{104}{39+1}
Add 36 and 3 to get 39.
\frac{104}{40}
Add 39 and 1 to get 40.
\frac{13}{5}
Reduce the fraction \frac{104}{40} to lowest terms by extracting and canceling out 8.
Examples
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{ 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}