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Arithmetic
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\frac { 3 } { 5 } \times \frac { 1 } { 4 } = \frac { 25 } { 60 }
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\frac{3\times 1}{5\times 4}=\frac{25}{60}
Multiply \frac{3}{5} times \frac{1}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{3}{20}=\frac{25}{60}
Do the multiplications in the fraction \frac{3\times 1}{5\times 4}.
\frac{3}{20}=\frac{5}{12}
Reduce the fraction \frac{25}{60} to lowest terms by extracting and canceling out 5.
\frac{9}{60}=\frac{25}{60}
Least common multiple of 20 and 12 is 60. Convert \frac{3}{20} and \frac{5}{12} to fractions with denominator 60.
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Compare \frac{9}{60} and \frac{25}{60}.
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\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 ) }
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