Evaluate
20
Factor
5\times 2^{2}
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5.36+\frac{18+2}{9}+\frac{7\times 9+7}{9}+4.64
Multiply 2 and 9 to get 18.
5.36+\frac{20}{9}+\frac{7\times 9+7}{9}+4.64
Add 18 and 2 to get 20.
\frac{134}{25}+\frac{20}{9}+\frac{7\times 9+7}{9}+4.64
Convert decimal number 5.36 to fraction \frac{536}{100}. Reduce the fraction \frac{536}{100} to lowest terms by extracting and canceling out 4.
\frac{1206}{225}+\frac{500}{225}+\frac{7\times 9+7}{9}+4.64
Least common multiple of 25 and 9 is 225. Convert \frac{134}{25} and \frac{20}{9} to fractions with denominator 225.
\frac{1206+500}{225}+\frac{7\times 9+7}{9}+4.64
Since \frac{1206}{225} and \frac{500}{225} have the same denominator, add them by adding their numerators.
\frac{1706}{225}+\frac{7\times 9+7}{9}+4.64
Add 1206 and 500 to get 1706.
\frac{1706}{225}+\frac{63+7}{9}+4.64
Multiply 7 and 9 to get 63.
\frac{1706}{225}+\frac{70}{9}+4.64
Add 63 and 7 to get 70.
\frac{1706}{225}+\frac{1750}{225}+4.64
Least common multiple of 225 and 9 is 225. Convert \frac{1706}{225} and \frac{70}{9} to fractions with denominator 225.
\frac{1706+1750}{225}+4.64
Since \frac{1706}{225} and \frac{1750}{225} have the same denominator, add them by adding their numerators.
\frac{3456}{225}+4.64
Add 1706 and 1750 to get 3456.
\frac{384}{25}+4.64
Reduce the fraction \frac{3456}{225} to lowest terms by extracting and canceling out 9.
\frac{384}{25}+\frac{116}{25}
Convert decimal number 4.64 to fraction \frac{464}{100}. Reduce the fraction \frac{464}{100} to lowest terms by extracting and canceling out 4.
\frac{384+116}{25}
Since \frac{384}{25} and \frac{116}{25} have the same denominator, add them by adding their numerators.
\frac{500}{25}
Add 384 and 116 to get 500.
20
Divide 500 by 25 to get 20.
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}