Question 1086642
(1,4) There are 36 possible outcomes. 
This is one of them.
{{{P(1,4)=1/36}}}
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(1,3,5)-3 odds
(2,3,5)-3 odds
{{{P=(3/6)(3/6)=9/36=1/4}}}
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Look for cases where first die is odd and second die is prime,
there are nine of them,
{{{P=3/6+3/6-9/36}}}
{{{P=27/36}}}
{{{P=3/4}}}