Evaluate
\frac{11}{4}=2.75
Factor
\frac{11}{2 ^ {2}} = 2\frac{3}{4} = 2.75
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\begin{array}{l}\phantom{20)}\phantom{1}\\20\overline{)55}\\\end{array}
Use the 1^{st} digit 5 from dividend 55
\begin{array}{l}\phantom{20)}0\phantom{2}\\20\overline{)55}\\\end{array}
Since 5 is less than 20, use the next digit 5 from dividend 55 and add 0 to the quotient
\begin{array}{l}\phantom{20)}0\phantom{3}\\20\overline{)55}\\\end{array}
Use the 2^{nd} digit 5 from dividend 55
\begin{array}{l}\phantom{20)}02\phantom{4}\\20\overline{)55}\\\phantom{20)}\underline{\phantom{}40\phantom{}}\\\phantom{20)}15\\\end{array}
Find closest multiple of 20 to 55. We see that 2 \times 20 = 40 is the nearest. Now subtract 40 from 55 to get reminder 15. Add 2 to quotient.
\text{Quotient: }2 \text{Reminder: }15
Since 15 is less than 20, stop the division. The reminder is 15. The topmost line 02 is the quotient. Remove all zeros at the start of the quotient to get the actual quotient 2.
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}