Question 907379
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Hi,
 d = 1/16   A) 1/4, 5/16, 3/8 a, b      0r 1/4, 5/16, 3/8 7/16, 1/2
 d = 1/12  B) 2/3, a , 5/6, b 1        0r 2/3,  9/12 , 5/6, 11/12, 1 
 d = 1/32 c) 3/8, a, b,c, 1/2         0r 3/8,  13/32, 14/32, 15/32, 1/2
Note: {{{(1/8)/4 = 1/32}}}