Evaluate
\frac{98}{27}\approx 3.62962963
Factor
\frac{2 \cdot 7 ^ {2}}{3 ^ {3}} = 3\frac{17}{27} = 3.6296296296296298
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\begin{array}{l}\phantom{27)}\phantom{1}\\27\overline{)98}\\\end{array}
Use the 1^{st} digit 9 from dividend 98
\begin{array}{l}\phantom{27)}0\phantom{2}\\27\overline{)98}\\\end{array}
Since 9 is less than 27, use the next digit 8 from dividend 98 and add 0 to the quotient
\begin{array}{l}\phantom{27)}0\phantom{3}\\27\overline{)98}\\\end{array}
Use the 2^{nd} digit 8 from dividend 98
\begin{array}{l}\phantom{27)}03\phantom{4}\\27\overline{)98}\\\phantom{27)}\underline{\phantom{}81\phantom{}}\\\phantom{27)}17\\\end{array}
Find closest multiple of 27 to 98. We see that 3 \times 27 = 81 is the nearest. Now subtract 81 from 98 to get reminder 17. Add 3 to quotient.
\text{Quotient: }3 \text{Reminder: }17
Since 17 is less than 27, stop the division. The reminder is 17. The topmost line 03 is the quotient. Remove all zeros at the start of the quotient to get the actual quotient 3.
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}