Evaluate
\frac{77}{4}=19.25
Factor
\frac{7 \cdot 11}{2 ^ {2}} = 19\frac{1}{4} = 19.25
Quiz
Arithmetic
5 problems similar to:
3 \frac { 3 } { 4 } + 2 \frac { 1 } { 4 } + 6 + 7 \frac { 1 } { 4 }
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\frac{12+3}{4}+\frac{2\times 4+1}{4}+6+\frac{7\times 4+1}{4}
Multiply 3 and 4 to get 12.
\frac{15}{4}+\frac{2\times 4+1}{4}+6+\frac{7\times 4+1}{4}
Add 12 and 3 to get 15.
\frac{15}{4}+\frac{8+1}{4}+6+\frac{7\times 4+1}{4}
Multiply 2 and 4 to get 8.
\frac{15}{4}+\frac{9}{4}+6+\frac{7\times 4+1}{4}
Add 8 and 1 to get 9.
\frac{15+9}{4}+6+\frac{7\times 4+1}{4}
Since \frac{15}{4} and \frac{9}{4} have the same denominator, add them by adding their numerators.
\frac{24}{4}+6+\frac{7\times 4+1}{4}
Add 15 and 9 to get 24.
6+6+\frac{7\times 4+1}{4}
Divide 24 by 4 to get 6.
12+\frac{7\times 4+1}{4}
Add 6 and 6 to get 12.
12+\frac{28+1}{4}
Multiply 7 and 4 to get 28.
12+\frac{29}{4}
Add 28 and 1 to get 29.
\frac{48}{4}+\frac{29}{4}
Convert 12 to fraction \frac{48}{4}.
\frac{48+29}{4}
Since \frac{48}{4} and \frac{29}{4} have the same denominator, add them by adding their numerators.
\frac{77}{4}
Add 48 and 29 to get 77.
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}