What is the difference of the fractions? Use the number line to help find the answer. 4/7-10/7

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Can someone check if i did this correct. it’s number 4 if you’re wondering.