To order the fractions from least to greatest we have to write the fractions using a common denominator. To find the LCD first find the LCM of the denominators.
\Write the prime factorization of each denominator.
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Write the prime factors of each number in the exponential form.
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Multiply the highest power of each factor in either number.
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Least Common Denominator of 12, 4, 3, and 6 is 12.
Rewrite the equivalent fractions using the LCD.
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Denominators are same so compare the numerators.
, so 
The proper fractions order from least to greatest are
.