Evaluate
1.9
Factor
\frac{19}{2 \cdot 5} = 1\frac{9}{10} = 1.9
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\frac{23}{40}+\frac{5.5}{8}+\frac{7.1}{12}+\frac{1.1}{24}
Expand \frac{2.3}{4} by multiplying both numerator and the denominator by 10.
\frac{23}{40}+\frac{55}{80}+\frac{7.1}{12}+\frac{1.1}{24}
Expand \frac{5.5}{8} by multiplying both numerator and the denominator by 10.
\frac{23}{40}+\frac{11}{16}+\frac{7.1}{12}+\frac{1.1}{24}
Reduce the fraction \frac{55}{80} to lowest terms by extracting and canceling out 5.
\frac{46}{80}+\frac{55}{80}+\frac{7.1}{12}+\frac{1.1}{24}
Least common multiple of 40 and 16 is 80. Convert \frac{23}{40} and \frac{11}{16} to fractions with denominator 80.
\frac{46+55}{80}+\frac{7.1}{12}+\frac{1.1}{24}
Since \frac{46}{80} and \frac{55}{80} have the same denominator, add them by adding their numerators.
\frac{101}{80}+\frac{7.1}{12}+\frac{1.1}{24}
Add 46 and 55 to get 101.
\frac{101}{80}+\frac{71}{120}+\frac{1.1}{24}
Expand \frac{7.1}{12} by multiplying both numerator and the denominator by 10.
\frac{303}{240}+\frac{142}{240}+\frac{1.1}{24}
Least common multiple of 80 and 120 is 240. Convert \frac{101}{80} and \frac{71}{120} to fractions with denominator 240.
\frac{303+142}{240}+\frac{1.1}{24}
Since \frac{303}{240} and \frac{142}{240} have the same denominator, add them by adding their numerators.
\frac{445}{240}+\frac{1.1}{24}
Add 303 and 142 to get 445.
\frac{89}{48}+\frac{1.1}{24}
Reduce the fraction \frac{445}{240} to lowest terms by extracting and canceling out 5.
\frac{89}{48}+\frac{11}{240}
Expand \frac{1.1}{24} by multiplying both numerator and the denominator by 10.
\frac{445}{240}+\frac{11}{240}
Least common multiple of 48 and 240 is 240. Convert \frac{89}{48} and \frac{11}{240} to fractions with denominator 240.
\frac{445+11}{240}
Since \frac{445}{240} and \frac{11}{240} have the same denominator, add them by adding their numerators.
\frac{456}{240}
Add 445 and 11 to get 456.
\frac{19}{10}
Reduce the fraction \frac{456}{240} to lowest terms by extracting and canceling out 24.
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}