Evaluate
0.19
Factor
\frac{19}{2 ^ {2} \cdot 5 ^ {2}} = 0.19
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\frac{1}{7}\times 0.49+\frac{7}{14}\times 0.24
Reduce the fraction \frac{2}{14} to lowest terms by extracting and canceling out 2.
\frac{1}{7}\times \frac{49}{100}+\frac{7}{14}\times 0.24
Convert decimal number 0.49 to fraction \frac{49}{100}.
\frac{1\times 49}{7\times 100}+\frac{7}{14}\times 0.24
Multiply \frac{1}{7} times \frac{49}{100} by multiplying numerator times numerator and denominator times denominator.
\frac{49}{700}+\frac{7}{14}\times 0.24
Do the multiplications in the fraction \frac{1\times 49}{7\times 100}.
\frac{7}{100}+\frac{7}{14}\times 0.24
Reduce the fraction \frac{49}{700} to lowest terms by extracting and canceling out 7.
\frac{7}{100}+\frac{1}{2}\times 0.24
Reduce the fraction \frac{7}{14} to lowest terms by extracting and canceling out 7.
\frac{7}{100}+\frac{1}{2}\times \frac{6}{25}
Convert decimal number 0.24 to fraction \frac{24}{100}. Reduce the fraction \frac{24}{100} to lowest terms by extracting and canceling out 4.
\frac{7}{100}+\frac{1\times 6}{2\times 25}
Multiply \frac{1}{2} times \frac{6}{25} by multiplying numerator times numerator and denominator times denominator.
\frac{7}{100}+\frac{6}{50}
Do the multiplications in the fraction \frac{1\times 6}{2\times 25}.
\frac{7}{100}+\frac{3}{25}
Reduce the fraction \frac{6}{50} to lowest terms by extracting and canceling out 2.
\frac{7}{100}+\frac{12}{100}
Least common multiple of 100 and 25 is 100. Convert \frac{7}{100} and \frac{3}{25} to fractions with denominator 100.
\frac{7+12}{100}
Since \frac{7}{100} and \frac{12}{100} have the same denominator, add them by adding their numerators.
\frac{19}{100}
Add 7 and 12 to get 19.
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}