20 \% \times 4+20 \% \times 4+20 \% \times 4+10 \% \times 5+6 \times 5 \% \times 3
Evaluate
\frac{19}{5}=3.8
Factor
\frac{19}{5} = 3\frac{4}{5} = 3.8
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\frac{1}{5}\times 4+\frac{20}{100}\times 4+\frac{20}{100}\times 4+\frac{10}{100}\times 5+6\times \frac{5}{100}\times 3
Reduce the fraction \frac{20}{100} to lowest terms by extracting and canceling out 20.
\frac{4}{5}+\frac{20}{100}\times 4+\frac{20}{100}\times 4+\frac{10}{100}\times 5+6\times \frac{5}{100}\times 3
Multiply \frac{1}{5} and 4 to get \frac{4}{5}.
\frac{4}{5}+\frac{1}{5}\times 4+\frac{20}{100}\times 4+\frac{10}{100}\times 5+6\times \frac{5}{100}\times 3
Reduce the fraction \frac{20}{100} to lowest terms by extracting and canceling out 20.
\frac{4}{5}+\frac{4}{5}+\frac{20}{100}\times 4+\frac{10}{100}\times 5+6\times \frac{5}{100}\times 3
Multiply \frac{1}{5} and 4 to get \frac{4}{5}.
\frac{4+4}{5}+\frac{20}{100}\times 4+\frac{10}{100}\times 5+6\times \frac{5}{100}\times 3
Since \frac{4}{5} and \frac{4}{5} have the same denominator, add them by adding their numerators.
\frac{8}{5}+\frac{20}{100}\times 4+\frac{10}{100}\times 5+6\times \frac{5}{100}\times 3
Add 4 and 4 to get 8.
\frac{8}{5}+\frac{1}{5}\times 4+\frac{10}{100}\times 5+6\times \frac{5}{100}\times 3
Reduce the fraction \frac{20}{100} to lowest terms by extracting and canceling out 20.
\frac{8}{5}+\frac{4}{5}+\frac{10}{100}\times 5+6\times \frac{5}{100}\times 3
Multiply \frac{1}{5} and 4 to get \frac{4}{5}.
\frac{8+4}{5}+\frac{10}{100}\times 5+6\times \frac{5}{100}\times 3
Since \frac{8}{5} and \frac{4}{5} have the same denominator, add them by adding their numerators.
\frac{12}{5}+\frac{10}{100}\times 5+6\times \frac{5}{100}\times 3
Add 8 and 4 to get 12.
\frac{12}{5}+\frac{1}{10}\times 5+6\times \frac{5}{100}\times 3
Reduce the fraction \frac{10}{100} to lowest terms by extracting and canceling out 10.
\frac{12}{5}+\frac{5}{10}+6\times \frac{5}{100}\times 3
Multiply \frac{1}{10} and 5 to get \frac{5}{10}.
\frac{12}{5}+\frac{1}{2}+6\times \frac{5}{100}\times 3
Reduce the fraction \frac{5}{10} to lowest terms by extracting and canceling out 5.
\frac{24}{10}+\frac{5}{10}+6\times \frac{5}{100}\times 3
Least common multiple of 5 and 2 is 10. Convert \frac{12}{5} and \frac{1}{2} to fractions with denominator 10.
\frac{24+5}{10}+6\times \frac{5}{100}\times 3
Since \frac{24}{10} and \frac{5}{10} have the same denominator, add them by adding their numerators.
\frac{29}{10}+6\times \frac{5}{100}\times 3
Add 24 and 5 to get 29.
\frac{29}{10}+6\times \frac{1}{20}\times 3
Reduce the fraction \frac{5}{100} to lowest terms by extracting and canceling out 5.
\frac{29}{10}+\frac{6}{20}\times 3
Multiply 6 and \frac{1}{20} to get \frac{6}{20}.
\frac{29}{10}+\frac{3}{10}\times 3
Reduce the fraction \frac{6}{20} to lowest terms by extracting and canceling out 2.
\frac{29}{10}+\frac{3\times 3}{10}
Express \frac{3}{10}\times 3 as a single fraction.
\frac{29}{10}+\frac{9}{10}
Multiply 3 and 3 to get 9.
\frac{29+9}{10}
Since \frac{29}{10} and \frac{9}{10} have the same denominator, add them by adding their numerators.
\frac{38}{10}
Add 29 and 9 to get 38.
\frac{19}{5}
Reduce the fraction \frac{38}{10} to lowest terms by extracting and canceling out 2.
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}