Clint has 3 3/4 acres of land if he splits this up until 6 sections how many angles does each section have

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

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

If rt is greater than ba, which statement must be true ?