71.25+(71.25 \times 95 \% )
Evaluate
138.9375
Factor
\frac{13 \cdot 19 \cdot 3 ^ {2}}{2 ^ {4}} = 138\frac{15}{16} = 138.9375
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71.25+71.25\times \frac{19}{20}
Reduce the fraction \frac{95}{100} to lowest terms by extracting and canceling out 5.
71.25+\frac{285}{4}\times \frac{19}{20}
Convert decimal number 71.25 to fraction \frac{7125}{100}. Reduce the fraction \frac{7125}{100} to lowest terms by extracting and canceling out 25.
71.25+\frac{285\times 19}{4\times 20}
Multiply \frac{285}{4} times \frac{19}{20} by multiplying numerator times numerator and denominator times denominator.
71.25+\frac{5415}{80}
Do the multiplications in the fraction \frac{285\times 19}{4\times 20}.
71.25+\frac{1083}{16}
Reduce the fraction \frac{5415}{80} to lowest terms by extracting and canceling out 5.
\frac{285}{4}+\frac{1083}{16}
Convert decimal number 71.25 to fraction \frac{7125}{100}. Reduce the fraction \frac{7125}{100} to lowest terms by extracting and canceling out 25.
\frac{1140}{16}+\frac{1083}{16}
Least common multiple of 4 and 16 is 16. Convert \frac{285}{4} and \frac{1083}{16} to fractions with denominator 16.
\frac{1140+1083}{16}
Since \frac{1140}{16} and \frac{1083}{16} have the same denominator, add them by adding their numerators.
\frac{2223}{16}
Add 1140 and 1083 to get 2223.
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}