Question 305511
Make them all the same denominator. 
Use 3*4=12 as the common denominator.
{{{2/3=8/12}}}
{{{4/3=16/12}}}
{{{3/4=9/12}}}
{{{3/2=18/12}}}
The smallest is 2/3. The largest is 3/2. 
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100 - composite, divisible by 2
101 - prime
102 - composite, divisible by 2
103 - prime
104 - composite, divisible by 2
105 - composite, divisible by 5
106 - composite, divisible by 2
107 - prime
108 - composite, divisible by 2
109 - prime
110 - composite, divisible by 2
4 primes between 100 and 110.