10,8 \cdot 5 + 0,75 : 3
Evaluate
54,25
Factor
\frac{7 \cdot 31}{2 ^ {2}} = 54\frac{1}{4} = 54.25
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54+\frac{0,75}{3}
Multiply 10,8 and 5 to get 54.
54+\frac{75}{300}
Expand \frac{0,75}{3} by multiplying both numerator and the denominator by 100.
54+\frac{1}{4}
Reduce the fraction \frac{75}{300} to lowest terms by extracting and canceling out 75.
\frac{216}{4}+\frac{1}{4}
Convert 54 to fraction \frac{216}{4}.
\frac{216+1}{4}
Since \frac{216}{4} and \frac{1}{4} have the same denominator, add them by adding their numerators.
\frac{217}{4}
Add 216 and 1 to get 217.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}