Evaluate
-\frac{33}{28}\approx -1.178571429
Factor
-\frac{33}{28} = -1\frac{5}{28} = -1.1785714285714286
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\frac{16}{28}-\frac{49}{28}
Least common multiple of 7 and 4 is 28. Convert \frac{4}{7} and \frac{7}{4} to fractions with denominator 28.
\frac{16-49}{28}
Since \frac{16}{28} and \frac{49}{28} have the same denominator, subtract them by subtracting their numerators.
-\frac{33}{28}
Subtract 49 from 16 to get -33.
Examples
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y = 3x + 4
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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.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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