Needing to find answer for using digits 1 to 9 no more than once to create three fractions that are close but not equal to zero one half and one as possible

I think these are right, assuming you can use only one digit

Closest to 0: 1/9

Closest to half: 4/9 or 5/9

Closest to one: 8/9

Step-by-step explanation:

Closest to 0: Numerator of 1, need largest denominator

Closest to half: Largest denominator, numerator close to half of denominator

Closest to one: largest denominator, numerator is denominator minus one

answer: 72: 111

step-by-step explanation:

a.)the line for function b is steeper