I need help with 5 other ones I’ll give brainlest if you help me

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle